This product adopts high-tech heating material, adopts USB 5V low voltage, environmental protection, and energy-saving, safe and reliable. The product is soft and comfortable, and the activity is free. Simply open the inside of the glove and remove the internal heating element, ie the glove is light and can be cleaned. In a short time, it can reach a very comfortable and warm temperature of about 42 °C. The style design is beautiful and suitable for winter use and gifts. Simple, the back of the hand is very hot. 5v voltage, safe and comfortable, promotes blood.