Specifications: Condition: Brand New Material: polyester cloth Colour: Black Thickness: 0.5-2mm Size: approx. 24*17cm/9.45*6.69in Cable length: approx. 120cm Maximum voltage: 5V Power: 8.5W Surface temperature: about 4045℃ The heating pads comes with three adjustable temperature, 3 levels standard temperature control switch design. Convenient to Use: You can directly put this USB heating pad into your jackets, vests and other clothes for warming and heat it by using 5V 2A power source, such as power bank (Not included). Wide Application: Suitable for clothes, vests, waists, abdomens, pants and so on. Foldable and Water Resistant: The pad features heating evenly, washable, but do not immerse it in water for long time. Convenient to take with for outdoor camping or other activities on winters. Also applicable to the people who are afraid of coldness, and they will do not fear of winter any more with it. Package Included: 1pc x Electric Heating Pad