Is the internet celebrity cervical massager effective? Disassembly and evaluation of a massage device that uses low-frequency pulse electronic signals

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Electronic heating Friends Network reported (Text/Li Cheng) In recent years, in response to different consumer groups, terminal products have also spawned a series of market segments in different fieldshttps://www.elecfans.com/consume/ Taking the “down-headed” group as an example, with the increase in the time spent using electronic products, cervical spine problems have become an important health issue plaguing contemporary young peoplehttps://www.elecfans.com/consume/ Facing serious cervical spine problems, consumers’ demand for cervical spine care products has become increasingly apparent, and a huge market for massage devices has been createdhttps://www.elecfans.com/consume/

The massage device market is also in full swing under the background of strong demand, and it has quickly become another “Internet celebrity” item after electric toothbrushes and electric toothbrusheshttps://www.elecfans.com/consume/ Recently, the editor disassembled a cervical massage device to show you how the cervical massage device actually workshttps://www.elecfans.com/consume/

Disassembly of cervical spine massage device, incorporating “saving” into product design

This disassembly is a cervical spine massage device that uses low-frequency pulse electronic signals to contact the human body through electrodes to simulate different massage effectshttps://www.elecfans.com/consume/ instrumenthttps://www.elecfans.com/consume/

It can be seen from the disassembled parts that this cervical massage device will ” “Saving energy” is very thoroughhttps://www.elecfans.com/consume/ In addition to the plastic casing, a total of two circuit boards and three electrode sheets are usedhttps://www.elecfans.com/consume/ One small board used only plays a direct role in the line, and the practical significance is not greathttps://www.elecfans.com/consume/ https://www.elecfans.com/consume/

Compared with other brands of massage devices, this cervical massage device can not only connect external electrode pads through additional input terminals to massage other parts of the body, but also has 3 electrode pads installed on its ownhttps://www.elecfans.com/consume/ This is its biggest highlighthttps://www.elecfans.com/consume/ In the past, most cervical spine massagers had two input electrode pads, but I just realized the truth of “saving” when I saw the connection of the electrode padshttps://www.elecfans.com/consume/ There are three electrodes in this massage device that are in contact with the skinhttps://www.elecfans.com/consume/ However, only two wires are extended on the pulse input adapter board to connect to the electrode pads on both sides of the massage devicehttps://www.elecfans.com/consume/ The electrode pad in the center is only for decorationhttps://www.elecfans.com/consume/ Effecthttps://www.elecfans.com/consume/

Playing with the medical sidelines and confusing right and wrong

The product manual clearly states that this massage device adopts an ergonomic design and can effectively care for the cervical spine and relax muscles through low-frequency pulseshttps://www.elecfans.com/consume/ , relieve pain, and through external electrodes, it can also massage different acupoints on the human bodyhttps://www.elecfans.com/consume/ From the performance introduction, it feels like a medical producthttps://www.elecfans.com/consume/

BI Escorts In fact, this massage device cannot even touch the edge of the medical devicehttps://www.elecfans.com/consume/ The implementation standard marked on the outer packaging of the product is GB4706https://www.elecfans.com/consume/1-2005 / GB4706https://www.elecfans.com/consume/10-2008https://www.elecfans.com/consume/ After investigation, it was found that these two implementation standards are for household applianceshttps://www.elecfans.com/consume/ In other words, this is an ordinary small household appliance and does not have medical functionshttps://www.elecfans.com/consume/

Cervical massage instrument PCBA principle teaching

Front (left) Back (right)

From the circuit layout and input connections of the board, we can see the uniqueness of this cervical massage functionhttps://www.elecfans.com/consume/ The SOP14 packaged chip in the middle of the board is the main control MCU of the circuithttps://www.elecfans.com/consume/ Its main function is to modulate the pulse frequency and output it to the electrode padhttps://www.elecfans.com/consume/

Above the main control MCU is a boost circuit that adjusts the intensity of the pulse input voltagehttps://www.elecfans.com/consume/ It mainly uses the principle that the current at both ends of the inductor cannot change gradually, and can generate a voltage higher than the power supply at both ends of the capacitorhttps://www.elecfans.com/consume/ and storehttps://www.elecfans.com/consume/ When adjusting the pulse input intensity, the Burundins Escort boost circuit can supply the original power supply voltage to the load according to the required number of pulseshttps://www.elecfans.com/consume/ The input terminal supplies enough energy to enhance the intensity of the pulse input voltagehttps://www.elecfans.com/consume/

At the same time, the main control chip can also control the on and off of the triode and change the corresponding input phase to switch the working mode and simulate different massage techniqueshttps://www.elecfans.com/consume/

In the field of wearable devices, the issue of battery charge and discharge safety has always been a subject of much attentionhttps://www.elecfans.com/consume/ In the circuit design of this cervical massager, the manufacturer also recognized the issue of battery charging safetyhttps://www.elecfans.com/consume/ In the lithium battery charge and discharge management unit, a constant voltage linear charge and discharge management IC with a silk screen printing of 3KAC was used to ensure that the battery While ensuring voltage accuracy, it can also prevent battery overcharging from causing other secondary disastershttps://www.elecfans.com/consume/

Main board (left) Direct board (right)

There is a space for SOP 8 package chip under the main control chip, which can be accessed through PCIt can be inferred from the wiring of B and the silk screen information of the input port that the hot compress function of the massage device has been “castrated” due to cost control issueshttps://www.elecfans.com/consume/

In fact, it is not difficult to add a hot compress function to the cervical spine massagerhttps://www.elecfans.com/consume/ It can add an MCU that can realize temperature adjustment based on the existing circuit, and add heating wires and temperature control to the electrode pads that are in contact with the skinhttps://www.elecfans.com/consume/ Sensor, MCU can use the information returned by the temperature sensor to control the on and off of the heating input circuit MOS tube in real time, thereby achieving the purpose of constant temperature hot compresshttps://www.elecfans.com/consume/

On the back of the motherboard is a lithium battery and buzzerhttps://www.elecfans.com/consume/ The outer packaging of the battery does not indicate the birth store, operating voltage, battery capacity and other relevant informationhttps://www.elecfans.com/consume/ It is a real three-no batteryhttps://www.elecfans.com/consume/ From a volume perspective, the battery capacity should be around 3 or 4 hundred milliampshttps://www.elecfans.com/consume/

By looking at the small board above the battery cell, we found that this is not a battery protection boardhttps://www.elecfans.com/consume/ There are no other devices on the board except for connecting the input wireshttps://www.elecfans.com/consume/ Although in the circuit design of the motherboard, a constant voltage charge and discharge management unit is designed for the battery, which plays a certain protective role, the lack of a protective board for the battery reduces a barrier to protection and lays a certain foundation for the use of the equipmenthttps://www.elecfans.com/consume/ Safety hazardhttps://www.elecfans.com/consume/

Application experience and suggestions

This Burundins Sugardaddy cervical massage device uses low-frequency, low-voltage pulse currenthttps://www.elecfans.com/consume/ Acts on nerves or muscles, promotes blood circulation in the human body, improves muscle condition, and relieves fatiguehttps://www.elecfans.com/consume/ Since this massage device does not have the function of identifying the degree of skin dryness, you will feel an obvious tingling sensation when the pulse output power is reduced due to dry skin during usehttps://www.elecfans.com/consume/ It is hereby suggested that when consumers purchase electric pulse massage devices, it is best to purchase products with the function of identifying the degree of skin drynesshttps://www.elecfans.com/consume/ This type of product can stop working when the skin dryness level reaches a certain critical point, preventing the continuous input of pulse current from irritating the skin and causing discomforthttps://www.elecfans.com/consume/

Summary

Although the three electrode sheets are only connected to two wires and have no batteries, these different designs cannot represent everything, but they are at least the epitome of some productshttps://www.elecfans.com/consume/ Therefore, when choosing electronic Be sure to keep your eyes open when purchasing products to prevent defective manufacturers from passing off inferior productshttps://www.elecfans.com/consume/

Rotary Massager Principle Circuit Electronic Fever Network provides you with the rotary massager principle circuit, I hope it will be helpful to you! 2012-03-05 11:20:234499Sanwa Pine Stone Vibrating MassageBurundi SugarWand Circuit Electronic Fever Network provides you with the Sanhe Songshi brand vibrating massage stick circuithttps://www.elecfans.com/consume/ The power of the massage stick circuit is about 15Whttps://www.elecfans.com/consume/ 2012-03-06 11:05:491577Disassembly | “Internet celebrity” cervical massage device, “conscience” product still hides “mystery”! ? topichttps://www.elecfans.com/consume/ Facing serious cervical spine problems, consumers’ demand for cervical spine care products has become increasingly apparent, and a huge market for massage devices has been createdhttps://www.elecfans.com/consume/ The massage device market is also in full swing under the background of strong demand, and it has quickly become another “Internet celebrity” item after electric toothbrushes and electric tooth rinseshttps://www.elecfans.com/consume/ Recently, the editor disassembled a cervical spine press 2022-06-25 01:34:005546 based on APT32F1023F6U6 ofThe advancement of new materials and electronic technology in smart home massage systems has enabled the miniaturization and precise control of massage ball devices, which has greatly improved the comfort of massage equipmenthttps://www.elecfans.com/consume/ Massage equipment is increasingly favored by consumershttps://www.elecfans.com/consume/ At the same time, users have higher and higher expectations for smart devices such as smart massagershttps://www.elecfans.com/consume/ For example, they hope that massagers can be powerful, safe and reliable, and extend battery lifehttps://www.elecfans.com/consume/ 2022-06-09 10:49:011994Proteus: Neck massage instrument The main technical problem solved by this design is to provide a neck massage instrument based on microcontroller controlhttps://www.elecfans.com/consume/ Its structure is simple, and the massage motor passes through Different electronic signals realize different massage modeshttps://www.elecfans.com/consume/ The vibration motor realizes different modes of vibration according to the different power supply switching frequencieshttps://www.elecfans.com/consume/ The heating module performs heating and cooling according to the detected temperature valuehttps://www.elecfans.com/consume/ According to the different modes of button output, the control module outputs different electronic signals to control the corresponding The motor realizes different massage modeshttps://www.elecfans.com/consume/ 2023-06-14 11:51:169562018 Shanghai International Family Medical and Medical Health Management and Services Expo, blood lipid detector, stethoscope, semen tester, health detector, weight scale, pedometer, Body fat measuring device, etchttps://www.elecfans.com/consume/ Home health care equipment: pain massage equipment, vision improvement equipment, sleep improvement equipment, massage chairs, foot baths, foot massagers, massage pads, massage belts, massage backrests, Qi and blood circulation machines 2018-10-11 09:2Burundi Sugar Daddy9:06555 Pocket Electronic Time Hypnosis Massager Circuit Diagram W2 can change the oscillation frequency, thereby changing the speed of the raindrop sound emitted by the speaker Yhttps://www.elecfans.com/consume/ The massager circuit is composed of IC2, R3, W2, W3, C3, C4, C5, B, etchttps://www.elecfans.com/consume/ It uses the oscillation pulse input by IC2 to convert the transformer B to stimulate the person’s acupuncture points through massaging electricity, thus 2008-10-29 10:19:34SX1278 (LORA) is used in shared massage chairshttps://www.elecfans.com/consume/The first is that the cost is relatively high (including the cost of the module and the required expenses of the operator)https://www.elecfans.com/consume/ Second, there may be some electronic signal blind spots in large places, causing some 4G or GPRS modules to be unable to access the Internethttps://www.elecfans.com/consume/ In this case, the local area network is used to gather the massage chairs in the large place through 433MHz, and then 2018-10-08 15:08:46 [Pingtou Ge CB5654 Voice Development Board Trial Series] Intelligent Massage Instrument` Project Name: Intelligent massage device trial plan: The application reason is that I am making a smart massage device and need to support WiFi communication, multiple serial interfaces, audio playback and other functionshttps://www.elecfans.com/consume/ The resources of this development board meet my project needshttps://www.elecfans.com/consume/ I have tested 2 voice models so farhttps://www.elecfans.com/consume/ Identify the plan and the results are not satisfactoryhttps://www.elecfans.com/consume/ Want to apply for test 2020-BI Escorts02-25 16:08:10 [FireBLE request] Based on Bluetooth 4https://www.elecfans.com/consume/0 wireless smart massage device development, convenient While debugging, you can also better deepen your learning about BLEhttps://www.elecfans.com/consume/ Project description: The Bluetooth wireless controlled massage device can effectively replace the traditional hand massagehttps://www.elecfans.com/consume/ It is convenient, accurate and not limited by timehttps://www.elecfans.com/consume/ The intelligent wireless massage device can send different instructions through a mobile phone or tablet to change the state of the host computerhttps://www.elecfans.com/consume/ , can turn on and off the massage instrument, and change the input waveform frequency to achieve different massage experienceshttps://www.elecfans.com/consume/ 2015-07-14 20:15:48 [TI Zone Prize-winning Campaign] Prize —– Mini Massager`Ahhh, I stopped doing this exercise for a long timehttps://www.elecfans.com/consume/ On Saturday, I finally received this massager and tried ithttps://www.elecfans.com/consume/ The vibration is good at one time, I think, if it is smaller, it should be as effective as a fleahttps://www.elecfans.com/consume/ I don’t know why, but I always feel that @qin_elecfans is working hard, thank you! ! ! `2016-09-12 10:39:48 [Must-see series] Engineer Xiao Li manually DIYs a massage artifact! If you need other functions, you can conduct in-depth development on the basis of this smart neck massager and improve its functions~ 2https://www.elecfans.com/consume/ Design framework Xiao Li said: “This time, the Tuya BTU cloud module is used as the main control, and the definition Charging, voice broadcast, button detection, temperature detection, heating, low-frequency pulse 2021-06-18 17:38:00 Shared massage chair design development `Although there are many shared massage chair designs at present, sharing products under the influence of intelligence You can have more functions and expansion spacehttps://www.elecfans.com/consume/ I will share with my friends a uu shared massage chair plan `2017-11-07 09:58:41 International MCU Development and Design Company provides a spray massage two-in-one portable beauty instrument planhttps://www.elecfans.com/consume/ Development plans are available herehttps://www.elecfans.com/consume/ wwwhttps://www.elecfans.com/consume/enroohttps://www.elecfans.com/consume/com Beauty instrument is a device that uses physical, electronic technology, optics and other methods to provide beauty through current, electric pulse method, micro-vibration method, lowering body temperature, microwave equipment, etchttps://www.elecfans.com/consume/ Laser therapy, radio frequency and other methods to reach the faceLymphatic Drainage 2018-10-13 11:17:29 Massager design and PCBA based on FOC brushless motor [Qili Global Technology Development Cohttps://www.elecfans.com/consume/, Ltdhttps://www.elecfans.com/consume/] With the rapid development of China’s economy, under work pressure and fast-paced life , most people have symptoms of cervical spine discomforthttps://www.elecfans.com/consume/ In order to facilitate massage physiotherapy, various massager products were bornhttps://www.elecfans.com/consume/ Most traditional massage products are driven by brush motors, but they have low efficiency, high noise, and short lifehttps://www.elecfans.com/consume/ 2023-07-12 09:29:43 Multi-function massage chair application SLH89F5162design project description: Divided into three parts: Neck Massage, back massage, sole massage, calf massage, mainly use STC series single machine time setting: 2013https://www.elecfans.com/consume/11 month is about to start 2013-10 -10 12:17:25 Eye protection device Eye massage device single-chip Bluetooth solution Eye protection device Eye massage device single-chip Bluetooth solution 1https://www.elecfans.com/consume/ Introduction Eye massage devices have been active in the market for some timehttps://www.elecfans.com/consume/ From the original single massage function , the development to today’s MP3 and Bluetooth playback performance has to be said to be a big improvementhttps://www.elecfans.com/consume/ But I discovered that the new eye massager with Bluetooth function is now availablehttps://www.elecfans.com/consume/ 2019-03-19 21:12:53 Hiring technicians who understand electric massagershttps://www.elecfans.com/consume/ I want to give birth to a series of electric massagershttps://www.elecfans.com/consume/ We are now hiring technicians who understand electric massagershttps://www.elecfans.com/consume/ Technicianhttps://www.elecfans.com/consume/ ***2017-08-15 13:32:51 Show off the neck and shoulder massager I got in the TTI lotteryhttps://www.elecfans.com/consume/ I received the neck massager I got in the TTI event todayhttps://www.elecfans.com/consume/ I opened it and saw that the prize was good, and then tried 20 more The effect in minutes is very good and the power is highhttps://www.elecfans.com/consume/ Thank you to the forum and friends for their supporthttps://www.elecfans.com/consume/ Without further ado, let’s go straight to the picturehttps://www.elecfans.com/consume/ 2016-08-07 21:11:54 Smart shoulder and neck massager offline voice recognition chip design currently on the market The use and operation of most shoulder and neck massagers require users to operate them through various controlled keyboards, remote controls or buttonshttps://www.elecfans.com/consume/ The traditional voice recognition plus microcontroller is no longer an option to solve the massage device design with the ability to recognize voice, because the current plan includes a microcontroller 2022-06-16 11:45:50 Looking for an MCU to use in forehead thermometer gun and eye massage Please design and use an MCU in the forehead thermometer gun and eye massage devicehttps://www.elecfans.com/consume/ 2022-01-25 06:11:39 Please share the DEMOdesign principle diagram of the massage fascia gun with your friendshttps://www.elecfans.com/consume/ Please share it with your friendshttps://www.elecfans.com/consume/ Massage Fascial Gun DEMOdesign Principle 2021-09-24 09:05:33 Taihao Micro Bluetooth Design | Neck Massage Instrument Design Development, Neck Massage Instrument Design Working Principle The cervical spine massager can stimulate and regulate the biological effects of meridians, and guide The circulation of qi and blood improves the internal and surrounding conditions of the human body and changes the imbalance of qi and blood in the lesion area, thereby achieving the effect of treating both the symptoms and the root causehttps://www.elecfans.com/consume/https://www.elecfans.com/consume/ The above is the design and development of the neck massager microcontroller that Taihao microcontroller development engineers distributed to friendshttps://www.elecfans.com/consume/ 2022-06-14 11:47:00 Shenzhen Eye Massager MCU Design-Ying Ruien Core Design Shenzhen Ying Ruien released the smart electronic product MCU design-Eye Massager MCU Designhttps://www.elecfans.com/consume/ Recommended application of single-chip microcomputer chip – EN8F509, a domestic single-chip microcomputer chip, using American IP core design and imported high-end wafershttps://www.elecfans.com/consume/ Single-chip microcomputer chip EN8F5092019-02-26 09:56:17 Electronic massager related materials download Overview: There are many kinds of electronic massagershttps://www.elecfans.com/consume/ It plays a certain role in promoting blood circulation, stimulating nerve fibers to relieve human body fatigue, and treating soft tissue injurieshttps://www.elecfans.com/consume/ Especially it has obvious analgesic effect on waist and leg pain, shoulder flatness, etchttps://www.elecfans.com/consume/ The electronic massager introduced here has a simple circuit and a wide frequency rangehttps://www.elecfans.com/consume/ The input pulse intensity is higher than 2021-05-25 07:23:58 Electronic comprehensive treatment instrument, intermediate frequency massage program problem guidance intermediate frequency massage microcontroller C language program, who can guide, thank you 2020-07-29 17:51:19 Who do you need to reverse engineer an eye massager? If you want to reverse engineer an electronic product, such as an eye massager, who do you need to reverse engineer it? What role does the pcb company play in Burundins Sugardaddy? Which company should I find for OEM? 2020-04-22 17:31:24 Bluetooth massager development requirements Massager APP development performance requirements 1https://www.elecfans.com/consume/ app version: (Android and ios) 2https://www.elecfans.com/consume/ Interface: Android and Apple interfaces are the samehttps://www.elecfans.com/consume/ One app can control the following two massages 3https://www.elecfans.com/consume/2017-09-18 10:49:12 The use of Hall sensors in smart massage chairs is very rare, so use rest Give your body some time to relaxhttps://www.elecfans.com/consume/ Using a massage chair for massage will allow you to relax at home without spending a lot of timehttps://www.elecfans.com/consume/ You can enjoy this service even when you are not at homehttps://www.elecfans.com/consume/ Some places such as high-speed rail stations, airport waiting halls, and large shopping malls have smart 2020-04-03 15:06:20 Hall sensor technology in smart massage chairshttps://www.elecfans.com/consume/ Application – Thumbs Up This post was originally edited by sumzia on 2021-11-4 09:27 The application of Hall sensor technology in smart massage chairs With the rapid growth of my country’s economy, people’s living conditions have been greatly improved, but But he is busy all day long with study work, sports and fitness2021-11-03 17:01:59Electronic massager circuit and productionElectronic massager circuit and production2009-04-14 15:25:1475[Picture and text] Massager circuit diagram SCH Massager circuit diagram SCH 2006-04-16 17:59:255039555 Pocket Electronic Hypnosis Massage on Time 555 pocket electronic time hypnosis massager, composed of time base IC NE555 2008-10-24 08:53:531585Massage Machine Our company provides massage machines, multi-function massage machines, and medical care machines , 2008-12-28 12:30:09597 electronic timing, hypnosis, massage device circuit diagram electronic timing , hypnosis, massager circuit diagram 2009-05-25 13:Burundins Sugardaddy29:321339Simple and simple electronic massage Simple electronic massage device circuit diagram 2009-0Burundi Sugar5-25 13:35:278811Pocket electronic massager circuit diagramPocket electronic massager circuit diagram2009-05-25 13:49:381305555 circuit constitutes a pocket electronic timed hypnotic massager circuit diagramhttps://www.elecfans.com/consume/ The figure shows a pocket electronic timed hypnotic massager circuit composed of two 555 blockshttps://www.elecfans.com/consume/ 2010-10-04 11:18:171514 disassembly of cervical spine massager, #HardSoundCreationSeason#Hardcore disassembly of product disassembly to learn electronic knowledge is released on 2022-11 -12 20:18:1Burundins Escort3Electronic massager schematic diagram The motor M is powered to rotate, driving the massage head to perform massage movementshttps://www.elecfans.com/consume/ Change the resistance of the potentiometer RP to realize the DC motor M Speed ​​adjustmenthttps://www.elecfans.com/consume/ 2012-01-05 11:28:2719707The world’s first wirelessControlled WiTouch massager Recently, the American company Hollywog invented the world’s first wirelessly controlled WiTouch massagerhttps://www.elecfans.com/consume/ This device is quite exquisite and uses electronic stimulation (transcutaneous nerve electrical stimulation) to maximize Reduces back pain compared with similar products 2012-08-29 09:16:001697 Omron Massage How to use the massager (how to use it)_How to use the Omron massager_Is the Omron massager easy to use? The Omron massager is a very popular one on the Internethttps://www.elecfans.com/consume/ It has many functions and is easy to operatehttps://www.elecfans.com/consume/ So what about the Omron massager? Does the Omron massage device work? Let’s take a look at his application methods and steps along the wayhttps://www.elecfans.com/consume/ 2017-12-18 19:10:4088227 How to install the Omron massage device_How to install the Omron massage device_Omron Massage instrument patch usage (cleaning) Omron massage instrument is an upgraded version of the massage instrumenthttps://www.elecfans.com/consume/ It is a new generation of health care equipment developed based on physics, bionics, bioelectricity, traditional Chinese medicine and many years of clinical trialshttps://www.elecfans.com/consume/ It has a variety of simulation functions, allowing you to truly experience acupuncture, massage, massage, hammering, cupping, scraping, weight loss, immune conditioning, detoxification, stress relief, promotion of blood circulation, treatment of joint pain and other functionshttps://www.elecfans.com/consume/ 2017-12-18 19:29:5933062Burundins SugardaddyA massager that can also perform gender-specific massages for men and women There are 5 forms of interactionhttps://www.elecfans.com/consume/ The smart massage glove product weighs 700g; it has a built-in rechargeable lithium battery of 3000+mAh, which can be used for 1 week of standby and 4 hours of continuous massage after charging for 2 hours; Bluetooth 4https://www.elecfans.com/consume/0 transmission, wireless operation; equipped with mobile APP, which can perform remote control and social distribution Friends interacthttps://www.elecfans.com/consume/ Currently, the product is available in white + gold and white + silverhttps://www.elecfans.com/consume/ This product2018-04-10 08:42:0010354 pressure sensor used in massage chairshttps://www.elecfans.com/consume/ More and more products are entering ordinary people’s homeshttps://www.elecfans.com/consume/ The smart massage chair is like a specialized masseur, which can accurately determine the user’s heighthttps://www.elecfans.com/consume/ and foot length, and then intelligently find the acupuncture points that need massage, and automatically combine massage actions to meet different needshttps://www.elecfans.com/consume/ The massage chair uses the rotational force of the machine and the mechanical force to squeezehttps://www.elecfans.com/consume/ 2018-06-14 11:06:227037 develops a low-frequency massager solution based on Bluetooth technologyhttps://www.elecfans.com/consume/ A low-frequency massager solution developed by CC2640 Bluetooth chip, based on Bluetooth The technical low-frequency massager stimulates the limbs through low-frequency pulses (low-frequency), promotes muscle tissue recovery, and enhances metabolic circulation, thereby relaxing, relieving fatigue, and alleviating painhttps://www.elecfans.com/consume/ This program is a small size 2018-10https://www.elecfans.com/consume/ -30 18:45:482678Bluetooth low-frequency massager treatment planhttps://www.elecfans.com/consume/ Note: The therapy form is in the form of massager offBurundins Sugardaddy When the APP is opened, the Nohttps://www.elecfans.com/consume/ 1 massager (broadcaster) initiates a synchronous massage broadcast to ensure a long-term orderly massage until the massage time is completed, which is when the Bluetooth low-frequency massager program ends automaticallyhttps://www.elecfans.com/consume/ The highlight is our company’s application of Bluetooth low power technology 2018-11-01 12:06:512538 Xiaomi Zhong A cervical vertebra massager G2 is on sale for 249 yuanhttps://www.elecfans.com/consume/ A must-have for those who work hard and have a low head! Xiaomi has launched a cervical vertebra massager G2 on crowdfunding tomorrow, priced at 249 yuanhttps://www.elecfans.com/consume/ 2019-08-12 14:57:0024696 Electronic massager circuit principle, common faults and maintenance and repair methodshttps://www.elecfans.com/consume/ A type of popular electronic massager is stimulated by electric pulseshttps://www.elecfans.com/consume/ To promote blood circulation in the human body and regulate the nervous system, the other uses micro DC motors to drive several rollers to rotatehttps://www.elecfans.com/consume/It is similar to manual massage, squeezing and kneading and other massage movements, which can relax muscles and activate blood circulation, stimulate the body’s reflex areas, and play an anti-inflammatory, analgesic and auxiliary treatment role for diseases such as frozen shoulder, low back and leg painhttps://www.elecfans.com/consume/ 2019-08-28 11:42:2235680firefly smart music massager smart music massager Burundins Sugardaddy uses As the core, the FS_QN9021 low-power Bluetooth module can be easily controlled through the mobile APPhttps://www.elecfans.com/consume/ It can realize 100-level micro-adjustment of massage intensity, provide a wealth of work modes and function options, and can also perform one-click music spectrum resonancehttps://www.elecfans.com/consume/ , let the music and the massager be linked together to provide more effective relaxation for the body and mindhttps://www.elecfans.com/consume/ 2019-11-01 15:07:461493 The typical massage device digital tube display circuit is shown in the figure below A typical massager digital tube display circuithttps://www.elecfans.com/consume/ The control core of this circuit is the microprocessor EM78156, which accepts manual instructions from the control circuithttps://www.elecfans.com/consume/ On the one hand, it supplies DC power supply voltage (A+, A- and B+, B-) to the motor by triggering two transistors, and at the same time, it passes the 8-bit The shift register N2 drives the digital tube display circuithttps://www.elecfans.com/consume/ 2019-12-22 10:31:133832What are the functions of a massage chair? A massage chair can use horizontal mechanical movements to dredge meridians and relieve fatigue to achieve the effect of manual massagehttps://www.elecfans.com/consume/ It is the application of scientific and technological means It is an important action for human healthhttps://www.elecfans.com/consume/ It is common to see massage chairs placed in hospital waiting rooms, which are provided for patients to use at no costhttps://www.elecfans.com/consume/ For patients, this can relieve stress and relax their mood to a certain extenthttps://www.elecfans.com/consume/ 2020-04-13 15:47:361089 intelligent AI massage device that can speak and relax to achieve the purpose of eye protection by relieving pressure on acupoints and relieving fatiguehttps://www.elecfans.com/consume/ Its massage replaces the time spent playing with the eyes with massage and hot compress on the acupuncture points around the eyeshttps://www.elecfans.com/consume/ https://www.elecfans.com/consume/ 2020-07-16 09:46:32933 starts the trend of rhythm massage, mechanic music neck massage The Instrument Mechanic Music Neck Massager can be connected to a mobile phone via Bluetooth, and can decode the music rhythm played by the mobile phone and change the TENS pulse electronic signal, which is equivalent to having Burundins Escort has several massage modes, pioneering the trend of human-computer interactive massagehttps://www.elecfans.com/consume/ It has a patented music rhythm massage technology and can also be connected to headphones to listen to music without interruption, allowing the body to rhythm with the musichttps://www.elecfans.com/consume/ Get uphttps://www.elecfans.com/consume/ The music format is full of creativity and the immersive experience is stronghttps://www.elecfans.com/consume/ 2020-07-28 15:31:5416Burundins Escort58 You can have massage at home without leaving homehttps://www.elecfans.com/consume/ You deserve the Rongtai massage chairhttps://www.elecfans.com/consume/ In the fast-paced living environment, lumbar spondylosis, Cervical spondylosis and lumbar muscle strain have become a standard part of life for every office worker, so that they are often unable to complete the set work goalshttps://www.elecfans.com/consume/ Therefore, more and more people are beginning to pay attention to physical maintenancehttps://www.elecfans.com/consume/ The popular street massage in recent years 2020-09-20 10:57:251500 Honor Smart Neck The massager has been tested and has many innovative functionshttps://www.elecfans.com/consume/ With the popularization of modern office, the pressure on everyone’s cervical spine is also increasing, and it is very common for long-term office work to cause neck and shoulder painhttps://www.elecfans.com/consume/ Therefore, the health of the neck and shoulders is also very commonhttps://www.elecfans.com/consume/ Received special attention, Huawei recently launched a new crowdfunding product, the Honor Personal Selection Warming and Stress Relief Neck Massagerhttps://www.elecfans.com/consume/ This product is exactly 2020-10-10 11:40:331840 Rongtai S60 massage chair has been officially launched, which will bring a revolutionary massage experiencehttps://www.elecfans.com/consume/ With the advancement of technology, home appliances are slowly moving toward Intelligenthttps://www.elecfans.com/consume/ Recently, the internationally renowned massage chair brand Rongtai released an intelligentThe Rongtai S60 massage chair, a fully automatic household massage chair, has advanced technology and powerful functions, and can satisfy all your imagination of a massage chairhttps://www.elecfans.com/consume/ Although the living standard is now higher than before2020-1Burundi Sugar0-18 09:50:383035 low-frequency massage device design plan wave, rising and falling waveshttps://www.elecfans.com/consume/ 5https://www.elecfans.com/consume/ Short press S3 to switch intensity, there are 4 intensities in totalhttps://www.elecfans.com/consume/ 6https://www.elecfans.com/consume/ The form and strength can be DIYed according to your needshttps://www.elecfans.com/consume/ 7https://www.elecfans.com/consume/ The number of key scan cycles is reduced and jitter is eliminated, occupying small resourceshttps://www.elecfans.com/consume/ 8https://www.elecfans.com/consume/ The chip uses Hetai 8-bit microcontroller, HT66F004https://www.elecfans.com/consume/ 9https://www.elecfans.com/consume/ The program is opened using HD-IDE3000https://www.elecfans.com/consume/ 10https://www.elecfans.com/consume/ The PCB is opened using AD softwarehttps://www.elecfans.com/consume/ Original title: Low-frequency massage device design plan (source code + principle diagram) Article source 2020-10-23 10:21:472582 Rongtai RT6810S massage chair’s experience is comparable to the fast-paced work and life of a real masseur, putting the health of modern people to the testhttps://www.elecfans.com/consume/ After returning home from a busy day, my tired body is eager to be soothed and relaxedhttps://www.elecfans.com/consume/ A full body massage Burundi Sugar is a good idea choicehttps://www.elecfans.com/consume/ However, a visit to a specialized massage parlor often takes two to three hours and costs hundreds of dollarshttps://www.elecfans.com/consume/ How can we 2020-11-12 09:43:473138 How to choose a massage chair when buying it? Rongtai RT6810S massage chair will not disappoint youhttps://www.elecfans.com/consume/ Like most social animals, I have to face the computer for a long time every day, and I still have firewood, rice, oil, salt and sauce when I get homehttps://www.elecfans.com/consume/ Vinegar tea is waiting for me, so I often feel very tired, and the muscle pain in my shoulders and neck bothers me every dayhttps://www.elecfans.com/consume/ I bought myself an ergonomic chair before to reduce the burden on my cervical and lumbar spine, but in fact Ergonomic 2020-12-02 09:42:082608 Rongtai RT6810S massage chair experience, enjoy the specially researched smart massage without leaving homehttps://www.elecfans.com/consume/ Since graduating from college, I have lived a life with computers all day longhttps://www.elecfans.com/consume/ The first thing I do when I get off work every day is The thing is to turnTurn on the computer and sit for 8 or 9 hourshttps://www.elecfans.com/consume/ After 12 years, I have had varying degrees of problems with my cervical and lumbar spinehttps://www.elecfans.com/consume/ In desperation, I could only listen to the recommendation of an acquaintance and go find a massage 2020-12-26 10:39:022888 Rongtai K10 Cervical Massager, an artifact to protect the health of the cervical spine Comments, likeshttps://www.elecfans.com/consume/https://www.elecfans.com/consume/https://www.elecfans.com/consume/ Over time, is your cervical spine okay? If you have experienced discomfort such as stiff neck, soreness of neck and back muscles, etchttps://www.elecfans.com/consume/, you should Consider whether you are suffering from cervical spine problemshttps://www.elecfans.com/consume/ At this time, in addition to adjusting your work and rest habits in time to avoid hanging your head for a long time, you should also perform appropriate neck massagehttps://www.elecfans.com/consume/ Rongtai K2021-02-26 11:31:011471 Rongtai K10 Dabai co-branded cervical spine massage device : The lucky star that saves “critical neck” has an obvious effect, and then I remember what the experts said – “Massage is a very effective method to treat cervical spondylosishttps://www.elecfans.com/consume/” For ordinary office workers, they go to specialized research institutions to massage their cervical spine every dayhttps://www.elecfans.com/consume/ It’s not practical, not to mention the time spent on the roadhttps://www.elecfans.com/consume/ The card fee of one to two thousand or two to three thousand is enough for people to eathttps://www.elecfans.com/consume/ This 2021-03-05 09:40:25The application of 1358 linear motors in smart portable massagers follows people’s lives With the increasing improvement of medical level, the desire to recuperate the body and mind is deeply rooted in people’s hearts, which also makes smart portable massage equipment a popular purchase for people in terms of “recuperation of the body and mind”https://www.elecfans.com/consume/ 2021-03-21 09:10:24714 Glorious Personal Selection Warm Multi-directional Neck Massager G6 is on The limited-time pre-sale price is 259 yuanhttps://www.elecfans.com/consume/ On October 20, according to Honor’s official Weibo news, Honor’s personally selected warm multi-directional neck massager G6 started pre-salehttps://www.elecfans.com/consume/ This product is a new product released at the glorious smart life new product launch conferencehttps://www.elecfans.com/consume/ It focuses on protecting the health of the cervical spine and has BI Escorts variable Positional massage head, four-zone enveloping hot compress, foldable design and other performance advantages2021-10-20 10:15:38354Smart massage head + four-zone hot compress at a preferential price of 259 yuanhttps://www.elecfans.com/consume/ Honor Massager G6 is now on sale for users who are chasing dramas Burundi Sugar Daddy, by using this neck massager, you can relieve the pressure on the cervical spine and the fatigue and soreness caused by hanging your head for a long timehttps://www.elecfans.com/consume/ Massage the cervical spine Burundins Escort anytime and anywherehttps://www.elecfans.com/consume/ During the period from 00:00 to 23:59 on November 1st, the Honor Selection Warm Multi-directional Neck Massager G6, originally priced at 299 yuan, will be discounted at 40 yuan for a limited time, with a discounted price of 259 yuanhttps://www.elecfans.com/consume/ Users can go to the Honor Mall and Honor Select 2021-11-01 12:14:26224The use of NV080D voice chip on the neck massager can help the neck and shoulders to relax, prevent hunchback, and correct posturehttps://www.elecfans.com/consume/ At the same time, the magnetic therapy points on the massage points are in direct contact with the body, which can assist blood circulation, promote metabolism, relieve and help treat cervical spondylosis in 5-15 minutes, with obvious effectshttps://www.elecfans.com/consume/ It is especially suitable for people: white-collar workers, drivers, people who stand for a long time, sit for a long time, and face each other for a long timehttps://www.elecfans.com/consume/ man holding computerhttps://www.elecfans.com/consume/ 2022-04-02 15:36:44Use of 4241WT2605C-32N speech recognition chip in eye massager for hyperopia It is mainly caused by excessive eye use and long-term spasm of the ciliary musclehttps://www.elecfans.com/consume/ Eye massage devices can simulate the human eye’s vision from near to far by eliminating ciliary muscle spasm and restoring adjustment ability, thereby effectively improving eyesighthttps://www.elecfans.com/consume/ There are many types of eye massage devices on the market today, and their functions are becoming more and more abundanthttps://www.elecfans.com/consume/ , many stores have begun to add Bluetooth chips to realize the function of audio Bluetooth transmission, and enjoy the fun brought by Bluetooth while massaginghttps://www.elecfans.com/consume/ 2022-04-13 09:52:441050Development Principle and Function of Cervical Massager Design If you have been facing the computer for a long time and playing with your mobile phone with your head down for a long time, the more you More and more young people are suffering from cervical spondylosishttps://www.elecfans.com/consume/ The mild ones may feel uncomfortable, while the severe ones may cause unbearable pain, which seriously affects normal life and workhttps://www.elecfans.com/consume/ The cervical spine massage device is suitable for people with cervical spondylosis, frozen shoulder, neck pain, coldness and numbness and other cervical syndromes, and those who work at a desk for a long time 2022-06-24 14:46:20Application of 1915 voice recognition chip in massage shawl device The massage shawl is a shawl-like massage device that only needs to be draped to the shoulders, which can effectively relieve shoulder painhttps://www.elecfans.com/consume/ , it can also be placed on the waist for convenience and conveniencehttps://www.elecfans.com/consume/ It only needs to be powered on for quick usehttps://www.elecfans.com/consume/ 2022-07-04 16:16:07741Use of WTN6 voice chip in handheld massagerhttps://www.elecfans.com/consume/ Handheld massager massager is widely loved by consumers for its conveniencehttps://www.elecfans.com/consume/ It only needs to hold the massagerhttps://www.elecfans.com/consume/ It can relax some muscles, soothe nerves, and relieve fatigue; it has a variety of modes for users to choose fromhttps://www.elecfans.com/consume/ In order to improve the user experience, many stores have added WTN6 voice chips to remind users of future task modes, and can also play fixed music to relax their moodhttps://www.elecfans.com/consume/ https://www.elecfans.com/consume/ 2022-07-07 15:03:49892Shared massage chair design based on voice chip As people gradually increase their awareness of health, the demand for the application of health equipment is also increasing rapidlyhttps://www.elecfans.com/consume/ It is hoped that massage equipment can relieve fatigue There will also be more and more people suffering from strain injurieshttps://www.elecfans.com/consume/ However, because some massagers are not necessities in life, many people will not specifically purchase massagers to keep at homehttps://www.elecfans.com/consume/ The emergence of shared massage chairs has satisfied people’s needs for massagehttps://www.elecfans.com/consume/ 2022-07-22 11:41:251110 head massager circuit head massager circuit free downloadhttps://www.elecfans.com/consume/ 2022-07-26 15:43:4010WTV890 voice chip application plan in eye massager talking about daily life Among the massage and health care equipment in life, eye massage equipment is a relatively popular onehttps://www.elecfans.com/consume/ Speaking of the components of the eye massager, a high-quality MCU chip with abundant resources is indispensablehttps://www.elecfans.com/consume/ 2022-09-08 10:43:39738TMI8140 high-current powerful motor drive makes massage more “excellent”https://www.elecfans.com/consume/ Turn on the computer and walk out of the companyhttps://www.elecfans.com/consume/ The shadow of fatigue is lengthened – open the door and nestle Enter the massage chair “Huh——” As an emerging household appliance, the smart massage chair is also a scientific way of resting and is gradually integrated into people’s home lifehttps://www.elecfans.com/consume/ Motor – the “heart” of the massage chair Smart massage chair is the application 2023-01-06 19:07:13 771Head massager voice playback chip, sound reminder ic selection – NV040D voice ic human body various The normal performance of some psychological functions depends on the health of the head and facehttps://www.elecfans.com/consume/ Therefore, whether at home or at work, many people will press a button on their head to relieve slight discomforthttps://www.elecfans.com/consume/ This is also the most commonly used methodhttps://www.elecfans.com/consume/ The head massager can produce some stimulation to the acupuncture points on the forehead, with 2023-03-09 16:45:36200huawei Smart Choice Philips Smart Eye Massager, BI Escorts A new vision of eye massage follows people’s awareness of eye health With increased tracking attention, eye massagers have become a new trend in electronic product purchaseshttps://www.elecfans.com/consume/ Huawei Smart Selection has joined forces with Philips Massage to leverage the strengths of both parties in IoT technology and massage design capabilities to launch the Huawei Smart Selection Philips Smart Eye Massagerhttps://www.elecfans.com/consume/ Bringing new indulgence to users 2023-04-07 00:40:07497 domestic 32-bit MCU APT32S003F7P6 For vibrating massagers, the vibrating massager with the highest main frequency of 48MHz uses microcontroller PWM (pulse width modulation technology) to control the speed of the DC motor, thereby controlling the speed and amplitude of vibrationshttps://www.elecfans.com/consume/ This speed regulation method has the characteristics of high switching frequency, stable low-speed operation, With outstanding static performance and advanced efficiency, this article recommends using the domestic Apt 32-bit MCU APT32S003F7P6 to control the speed of the DC motor 2023-04-18 09:37:44612New voice control for neck massager Design, NV040DS voice chip, IO port rich neck massager is an electronic massage device, which can help people relieve neck pain and stiffness and other related problemshttps://www.elecfans.com/consume/ Many people face cervical spine problems caused by hanging their heads down and using electronic products for a long timehttps://www.elecfans.com/consume/ Neck massage devices have become a very popular 2023-05-30 16:39:27172 electronic massage device adapter power chip U6101S Compared with large massage appliances such as massage chairs, small massage appliances have a relatively lower unit price, small size and portability Strong and diversified application scenarios, therefore, the domestic market share of small massagers is relatively high, and household electronic massagers are quickly entering ordinary households and becoming the new favorite of electronicshttps://www.elecfans.com/consume/ 2023-06-09 15:52:36494Smart Neck Massage The electronic enthusiast website provides the “Smart Neck Massager Prototype Open Source Distribution to Friendshttps://www.elecfans.com/consume/zip” material is not available Spend money to download 2023-06-15 10:12:06The role of 6 sensors in medical massagers follows modern times With the continuous development of medical technology, medical massagers have become an important tool for people to relieve physical fatigue and improve healthhttps://www.elecfans.com/consume/ As an important component of medical massagers, sensors play an irreplaceable rolehttps://www.elecfans.com/consume/ This article will discuss the role of sensors in medical massagershttps://www.elecfans.com/consume/ , and emphasize its importance in user experience and medical consequences 2023-06-18 10:56:322922 massage chair control panel research and development, Muwo creates an intelligent and complex massage chairhttps://www.elecfans.com/consume/ Massage can relax muscles, circulate blood, relieve physical fatigue, prevent back pain and other problems, improve the quality of people’s sleep tools, and have a positive impact on body healthhttps://www.elecfans.com/consume/ A great benefithttps://www.elecfans.com/consume/ For a massage chair, the control panel is the corehttps://www.elecfans.com/consume/ It can send instructions to the massage device, control the programs of the massage chair, etchttps://www.elecfans.com/consume/, thereby 2022-08-10 16:56:38474 Muwo Technology has developed a new massage control panel, which has promoted the development of massage productshttps://www.elecfans.com/consume/ Muwo Technology has developed a new massage control panel, which has promoted the development of massage productshttps://www.elecfans.com/consume/ This control panel mainly uses the adjustment of the motorhttps://www.elecfans.com/consume/ Massaging human muscles by moving in forward and reverse directions can reduce physical discomfort and fatigue and relieve joint pain2022-08-12 16:45:18265Relieve your neck fatigue – Muwo Intelligent Cervical Massage In today’s fast-paced life, many people have bad living habits such as sitting in the wrong posture, facing the computer for a long time, hanging their heads while playing with mobile phones, etchttps://www.elecfans.com/consume/, resulting in neck pain, fatigue, numbness and other problems, which seriously affect their healthhttps://www.elecfans.com/consume/ https://www.elecfans.com/consume/ In addition to increasing intensity of exercise in our daily lives, we can also use cervical spine massage2022-08-30 17:30:12393Does masseurs entering e-commerce need to handle quality inspection reports? “Burundi Sugar Daddy Massager” is an era product that is developed based on physics, bionics, bioelectricity, traditional Chinese medicine and many years of clinical trialshttps://www.elecfans.com/consume/ A new generation of health care equipment, it not only has eight simulation functions, allowing you to truly experience acupuncture, massage, massage, hammering, cupping, scraping, slimming, and immune conditioning 2022-12-29 12:58:47445Neck massager voice broadcast IC design cost-effective WTN6 voice chip If you want to use fragmented time to massage your shoulders and neck, neck massager is a good choicehttps://www.elecfans.com/consume/ However, with the continuous improvement of technology, some new technologies It has also begun to be used in neck massagers to improve their performance and user experiencehttps://www.elecfans.com/consume/ For example, adding a voice broadcast chip to the neck massager 2023-06-01 10:55:36371Voice chip WT2003H-B003, innovative design of massager integrating pressure sensing and voice reminderhttps://www.elecfans.com/consume/ In today’s era of pursuing a healthy and comfortable lifestyle, the combination of pressure sensing technology and voice reminder function It is leading the innovation wave in the massager industryhttps://www.elecfans.com/consume/ As a unique voice chip, WT2003H-B003 voice chip IC integrates advanced pressure sensing algorithms and voice prompting capabilities, bringing a new dimension to massager pressure sensing designhttps://www.elecfans.com/consume/ Here comes a new experience and value-added effect 2023-06-30 14:12:06265 voice chip WT2003H- B003, innovative massage device design integrating pressure sensing and voice reminderhttps://www.elecfans.com/consume/ In today’s era of pursuing a healthy and comfortable lifestyle, the combination of pressure sensing technology and voice reminder function is leading the innovation wave in the massage device industryhttps://www.elecfans.com/consume/ WT2003H- As a unique voice chip, B003 voice chip IC integrates advanced pressure sensing algorithm and voice with Burundins Sugardaddy The reminder function brings a new experience and value-added effect to the massager pressure-sensing plan 2023-06-30 14:15:16357 Massager design based on FOC brushless motor and PCBA introduction to FOC brushless Brush motor massager design and PCBA introduction2023-07-11 11:26:28710[Reference Plan] Nuvoton Bluetooth low-power microcontroller M031BT is used for personal electronic massagers [Reference Plan] Nuvoton Bluetooth low-power microcontroller M031BT is used in personal electronic massagers2023-08-09 14:21:42323 The 2https://www.elecfans.com/consume/4G chip is used as a remote control neck massagerhttps://www.elecfans.com/consume/ The neck massager is very popular among office workershttps://www.elecfans.com/consume/ It has a simulated human kneading and massage effect, multi-unit intensity adjustment, and can be used to relieve muscles tense due to long hours of workhttps://www.elecfans.com/consume/ Yufanwei’s 2https://www.elecfans.com/consume/4g package chip 1https://www.elecfans.com/consume/ Neck massager design introduces the working principle of the neck massager design, the main selection 2023-08-09 10:15:24378 Nuvoton Bluetooth low-power microcontroller M031BT is used for personal electronic massager Nuvoton Bluetooth low-power microcontrollerBurundi Sugar Daddy device M031BT is used for personal electronic massager2023-09-19 16:46:20309 Nuvoton Bluetooth Low Energy Microcontroller M031BT is used for personal electronic massagershttps://www.elecfans.com/consume/ Nuvoton Bluetooth low-power microcontroller M031BT is used for personal electronic massagers2023-10-31 17:06:58249Weichuang Zhiyin WTV380 voice chip highBurundi Sugar Quality sound plays to remind IC of Burundi on the pelvic massager Sugar DaddyUsage IntroductionIn modern society, as people’s pace of life accelerates and work pressure increases, physical health has gradually become the focus of people’s attentionhttps://www.elecfans.com/consume/ As a popular health device, the pelvic massager has significant effects on relieving physical fatigue and promoting blood circulationhttps://www.elecfans.com/consume/ However, traditional pelvic massagerBurundins Sugardaddy2023-Burundi Sugar12-08 08:54:26155Introduction to the application of WT2003H0-16S voice chip MP3 audio playback in low-frequency massage machineshttps://www.elecfans.com/consume/ With the continuous improvement of technology and the improvement of the quality of people’s living tools , health and health products are increasingly being followed and paid attention to by peoplehttps://www.elecfans.com/consume/ As a common health equipment, low-frequency massage device has obvious effects on relieving fatigue and relieving stresshttps://www.elecfans.com/consume/ In recent years, the WT2003H0-16S voice chip MP3 Audio 2023-12-08 09:03:22229

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