Feature: Heating : using fiber heating wire as heating , directly hand-washed, dried in a cool place, can not be exposed to the or baked dry; Palms and of the hands = heating on both sides, must be connected to the power supply to generate heat, it is not hot when unplugged (gloves no storage power function). 3 gears timing temperature adjustment. Specification: : knitted Color: Black USB cable: 1.7m long, one USB plug glove heats up (with DC head) Voltage: 5V Q: Can this glove be washed with water? : It can be washed with water, dried in a cool place, and cannot be exposed to the or baked. Suitable for the crowd: 1. Office work. Such as document processing, telephone hotline, bank counter and other clerical work 2. When using a computer for work, games, chatting, watching , to , etc. 3. When college, middle school and elementary school students their homework and do homework 4. When watching TV , chatting with family and , or playing cards 5. Areas that need to work, study, and live indoors, where heating, air conditioning, and heating are insufficient 6. All other people who need heating in autumn, winter and spring Package Contents: 1 pair Electric Heated Gloves 1 x thermostat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.