USB Heating Insole Electric Heating Foot Warming Insole Chargings Heating Washable Cutable Size Insole Winter Outdoor Warm Insole

Features:
Uniform heating, high heat transfer efficiency, quick heating speed, soft and comfortable.
Full fever, flake fever.
The thickness of heating plate is less than 1 mm, ultra-thin design.
The marking is clear and easy to cut, according to the free cutting line, insoles can be cut according to your shoes.
Washable, use waterproof material, can be cleaned directly, safe and easy to clean, more convenient.
Easy to use. Just put on your shoes and turn on the power to enjoy the warmth.