Detail
Made of durable high-quality materials, it can be heated quickly and evenly through the built-in micro heater chip.It can be washed with water for recycling, but keep the interface away from water when connecting USB power. 1 pair of size reference papers are included, you can cut them according to the size number as needed. When connecting the USB cable to a laptop or computer, one pair of insoles can be heated at a time, which is a very suitable accessory for computer workers in cold winters. Suitable for all kinds of shoes.
