Waterproof design: Washable and reusable. The materials we use are waterproof. Can be washed directly without affecting the use effect. You can also clean with a brush (not for machine washing). It must be completely dry before use. (It is recommended to buy two pairs of insoles and change them in turn to extend the service life of the insoles)

3 Heating methods: Heating via USB interface, heating via AC adapter, heating, heating via power bank, large heating area, even heat distribution, which can be heated, which can be heated.

Safe and efficient: stable, safe and reliable heating. Carbon fiber Electric fiber Heating wire heats the insole for even heating, high heat transfer efficiency, fast, soft and comfortable heating speed and is an ideal heating material for health.

Free size: The electric heating insoles can be adjusted to your size. Depending on the simple cutting line, you can cut the insoles into your own shoes. Suitable for most shoes, from 35 to 39, cut along the dotted line depending on the number of meters you need.

Ideal for winter: The heating insoles are suitable for racing, fishing, hiking, skiing, motorcycle, mountaineering, racing, sledding and other outdoor sports during harsh winters, reducing stiffness during outdoor sports!