Features: 1. Carbon fiber has the characteristics of corrosion resistance, high temperature resistance, good insulation, and so on. 2. Moxibustion and hot compress: The gentle heat penetration of moxibustion fire is conducted through the channels and collaterals to achieve the effect of hot compress. 3. Three levels of temperature adjustment: One-key control, quickly rise to the set temperature according to the ambient temperature within 30S. 4. Safe and low voltage: It adopts mobile USB power supply, easy to use and safe to operate. The low voltage of 5V is far below the safety voltage of human body 36V. 5. USB interface: USB cable is easy to use, mobile power, mobile power, mobile phone charging head, car charger can all supply power. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: cloth + electronic parts Size: 32*10cm Colour: Black Care position: left and right wrists Gear adjustment: three gears temperature can be adjusted Heating material: carbon fiber heating sheet Voltage: 5V Power supply mode: USB multi-mode power supply Temperature control range: 40~60? includes: 1 set x Electric Heating Bracers