Working principle of portable massager

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Small Square Animal Robot Bluetooth Speaker: A Cute Smart Audio Companion for Modern Lifestyles

Small Square Animal Robot Bluetooth Speaker: A Cute Smart Audio Companion for Modern Lifestyles

2026-09-05 10:34:50

Small Square Animal Robot Bluetooth Speaker combines cute design, portable size, and smart wireless features. With clear sound, hands-free calling, and TWS connection, it is the perfect audio companion for home, travel, and gifts.

Smart Audio Glasses: Why Bluetooth Audio Frames Are Becoming the Next Wearable Technology Trend

Smart Audio Glasses: Why Bluetooth Audio Frames Are Becoming the Next Wearable Technology Trend

2026-09-04 10:32:14

Discover the future of wearable audio with our Smart Audio Glasses, combining stylish eyewear with advanced Bluetooth technology. Designed with lightweight TR90 + ABS materials and polarized lenses, this smart audio frame delivers a comfortable outdoor experience while supporting music playback, hands-free phone calls and wireless connectivity. Equipped with Bluetooth 5.3, magnetic charging and long-lasting battery performance, it is an ideal choice for modern consumers seeking fashion, convenience and smart lifestyle technology. Perfect for brands, retailers and distributors looking to expand their wearable audio product portfolio.

Fruit Avocado LED Dancing Speaker: A Cute Bluetooth Speaker That Brings Music to Life

Fruit Avocado LED Dancing Speaker: A Cute Bluetooth Speaker That Brings Music to Life

2026-09-03 10:54:09

The Fruit Avocado LED Dancing Speaker combines music, movement and colorful lights in one playful design. Featuring a cute avocado-inspired appearance, dancing and swinging action, a seven-color LED spectrum, Bluetooth 5.0, TWS pairing and hands-free calling, it brings more personality and fun to everyday listening. Compact and easy to carry, this 3W portable Bluetooth speaker is perfect for home entertainment, desktop use, travel, social gatherings and gift giving. Enjoy up to four hours of music and make every listening moment brighter, more interactive and more enjoyable.

Square Animal Speaker: From Bluetooth Speaker to Lifestyle Object in the Next Wave of Creative Audio

Square Animal Speaker: From Bluetooth Speaker to Lifestyle Object in the Next Wave of Creative Audio

2026-09-02 13:41:06

The Square Animal Speaker combines Bluetooth audio with a cute, character-inspired design. Compact, portable and easy to use, it supports Bluetooth 5.0, hands-free calling and TWS wireless connection, making it an attractive lifestyle audio product for young consumers, gifting and everyday entertainment.

Face-Changing Batman Bluetooth Mini Speaker: Where Creative Design Meets Everyday Sound

Face-Changing Batman Bluetooth Mini Speaker: Where Creative Design Meets Everyday Sound

2026-09-01 10:00:53

The Face-Changing Batman Bluetooth Mini Speaker combines expressive character design, portable wireless audio and playful lighting effects in one compact speaker. Featuring a dynamic face-changing display, colour breathing lights, TWS connection and hands-free calling, it adds personality and entertainment to your everyday listening. Perfect for desks, bedrooms, travel, social gatherings and gifting, this creative mini Bluetooth speaker is designed for consumers who want more than just sound from their audio products.

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Working principle of portable massager

2021-12-21 11:46:14

The massager is a health-care appliance that uses electricity to vibrate the massage head and massage the human body. Massage is good for relaxing muscles and promoting blood circulation, eliminating fatigue and preventing diseases. Electric massagers are divided into electromagnetic and electric motor types according to the vibration mode; according to their purpose, they are divided into three types: bodybuilding, sports and medical.
   massager principle
   Electromagnetic massager is mainly composed of iron core (including fixed iron core and movable iron core), coil, vibration spring sheet and massage head (Figure 1). When the coil on the fixed iron core is connected with alternating current, an alternating magnetic field is generated. Under the action of the magnetic field force and the vibrating spring sheet, the massage head vibrates repeatedly. The vibration frequency is generally 100Hz, and the input power is 10-15W. The method to change the vibration intensity is to change the core gap or current intensity, and the other is to change the vibration frequency.
  The main components of massager
   Motor massager is mainly composed of motor, spring shaft, spring, eccentric wheel and massage head (Figure 2). The motor drives the eccentric wheel to rotate at a high speed through the spring shaft, and the eccentric wheel makes the massage head vibrate. The motor is generally a permanent magnet DC type with a power of 5 to 8W and a speed of 6000r/min; AC and DC series motors can also be used, and the speed is usually 5000 to 10000r/min. Because the vibration of the massage head is directly affected by the eccentric wheel, the vibration frequency value of the massage head is the rotation speed value of the motor, and the strength of the massage power can be adjusted by changing the rotation speed of the motor. The structure of the electric motor massager has a great influence on the massage effect. In order to ensure good action and reduce noise, the flexible connection between the massage head and the motor shaft should be accurate and reliable, the spring shaft should have proper elasticity, and the shaft and bearing should be properly matched and lubricated. Common sense of buying massager
   1. Generally speaking, you should choose and buy according to the purpose. For example, for general beauty and health care, you can choose a portable soft tap massager, but for special medical or sports use, you should choose a massager with variable strength.
  2. It is also reasonable to choose a massager according to the site of action. Because people are uncomfortable in certain parts, they can often get obvious effects through massage. Therefore, you can choose different types of massagers or general massagers for back, hands, feet, and faces according to your own special needs.
  3. If you often carry a massager when you go out, you should choose a lightweight portable massager.

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