Characteristics: Three heating modes: USB interface, power supply and power bank. Easy to use, just put on your shoes and plug in the power to enjoy the warmth. Soft and comfortable, with excellent workmanship. Heating is stable and safety is guaranteed. The heater can be cleaned, it must be dried before use. Specification: Material: Soft fibers The color is brown Warm-up time: 10 min Optional Size: 43-44 (27 cm or 10.6 in) Weight: approx. 78–84 g Package list: 1 x Pair of Heating Pads The default power of the heating pad is 5V or 2A. If the power of the charger is not 2A, it may cause no heating. The heating power supplied by the charger is 6-7 W, if using a special adapter the heating power will be 10-11 W, 40 percent more heat than the charger. Please be aware of: Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. YJL official store