The thermostat 50-60? foot warmer can quickly heat up in 3 minutes by plugging in the USB, protecting your feet from the cold, and using the softest plush fabric to keep your feet warm, bringing you great comfort experience! More Features: Constant temperature of 50-60? brings you warmth, you don?t worry about burns due to overheating. Made of soft plush fabric to bring you comfortable touch. USB plug-in use, the power is 5V=2A (10W), and you can't use a computer or laptop for charging. Removable heating plate and non-slip bottom plate for easy cleaning. Specifications: Material: Plush fabric Power: 5V=2A (10W) Temperature: 50?-60 ? Color: Grey Item size: 29cm x 25cm/11.41inch x 9.84inch(LxW) Opening width: 14cm/5.51inch Zipper opening width: 8.5cm/3.34inch Weight: 324g Package Includes: 1 x Foot warmer 1 x USB cable Welcome to zootop store, may you have a pleasant shopping experience! If you have any problems, please feel free to contact us.