1.Rechargeable lithium battery heating, three-level temperature control, warm and comfortable.
2.Product 5V voltage, low temperature 35 degrees Celsius, medium temperature 45 degrees Celsius, high temperature 55 degrees Celsius three-speed adjustment carbon fiber is hot,When charging, the 3 LED lights of the lithium battery flash. When fully charged, the 3 LED lights are always on, and
4-5 hours can be used. 3.Soft, comfortable, flexible, durable, insulated, and washable by water.
Specification: Color：Black/White Material: cotton + heating wire Size: Average size (tube height 24-37CM/9.45-14.57in, sole 21-30CM/8.27-11.81in); socks have elasticity, can stretch Lithium battery 2200MAH, charging time is 3.5 hours full, heating time 4-5 hours
Note: 1.All pictures are professionally color-coded, but due to the different ambient light and different display device settings, there may be some deviations between the pictures you see and the items themselves. Please understand. 2.The data is measured manually, there may be some deviation, but it does not affect the use.