Describe:1. Material: high-quality knitted fabric and high-tech fiber heating material， double-sided heating， uniform heating， soft and comfortable， durable.2. Design: Using USB 5V low voltage， the power supply is very user-friendly， environmentally friendly， energy-saving， safe and reliable， and promote blood circulation. Just plug it into the USB port of a PC， mobile power supply， charger or 5V power supply. The fashionable and young design brings you not only warmth， but also fashion.3. Suitable temperature: it can be about 40-50C in a short time， which is the most comfortable temperature range for the human body， and it is a very comfortable and warm temperature.4. Washable: Just open the inside of the glove and take out the internal heating element， that is， the glove is very light and can be washed.5. Applicable scenarios: cycling， mountaineering， fitness， running， outdoor travel， home office， etc.， suitable for use in spring， autumn and winter and gifts.Specification:Name: USB heating warm glovesColor: Black/Navy/Brown/Light Blue/Light Green/GrayVoltage: 5VTemperature: up to 40-50 degrees CelsiusApplicable gender: unisexApplicable season: spring， autumn and winterUSB cable length: about 1.5mWeight: 106gPacking list:1 pair of gloves