Features:1.USB heated pads made of carbon fiber, soft and comfortable, you can put it in everywhere you want, relatively tight space will get a good temperature. 2.USB heated pads, eco-friendly, low power and safe.3.USB 5V carbon fiber heating element. Plugs into the port for heat.4.Lightweight, easy to carry and use.5.Suitable for gloves and other split-type heating.Specifications:Material: Carbon fiber heating materialColor: As picture shownHeating Pad Size(length x width): Approx. 8.5x6.5cm/3.3x2.6inWire length: Approx. 15cm/5.9inInput: 5V, 5APower: 7WPacking List:1 x Heating pad setNote:1. Do not allow use by persons unable to care for themselves, infants or persons not sensitive to heat.2. Do not use a needle-punching knife to heat the cloth. Can not be used when no one is indoors.3. Do not use in wet conditions, please dry before use.4. The outer film of carbon fiber plays a protective role and cannot be torn open..