【USB Heated Insoles】 — These heated insoles adopt new heating technology, made of soft and comfortable EVA stretch material, with good cushioning, portable light, the heater is comfortable with USB interface used for heating via the USB cable, large heating surface, even heat distribution, temperature reaches up to 50 °C/122 ℉.

【Cleanable Repeated Use】 — This usb insoles material has a waterproof effect, is washable and reusable, you can wash it via brush, not for machine washing, it should be noted that it needs to be dried after washing and must be completely dry before use.

【DIY Adjustable Insoles Size】 — Electric insoles can be cut to your desired size, adjustable to your shoe size, the shoe size range is indicated on the insoles for your DIY convenience, heated insoles are 4-5 mm thick, you don't need to worry about the size, there are lines marked on the insoles, easy to trim. suitable for men and women from EU size 35-40.

【Wide Range of Uses Best Gift】 — The heated shoe insoles keep your feet warm in cold winter, temperature reaches up to 40-50 °C (depends on ambient temperature changes), The insole can be used in the office or other places that can be connected to a power source. If you want to use it outdoors, you need a mobile power supply (not included) to supply power.