Electric Adjustable Temperature Heating PadThis chair pad is perfect for those who are always cold! You can adjust the temperature to your liking, and it will heat up in no time. It's also very comfortable, thanks to the soft material and padding. Three speed temperature Adjustable, rapid heating in seconds, multiple temperatures adjustable use. The USB interface is easy to use. The interface is wear resistant and durable, with built in overvoltage and short circuit protection modules.