【Fast Heating, USB Heated Insoles】 - These heated insoles use new heating technology, often made of comfortable EVA stretch material, with good cushioning, portable light, the heater is convenient with the USB interface used for heating via USB cable, large heating area, even heat distribution, temperature up to 50°C / 122℉.

【Comfortable Materials】 - Thermal insoles with EVA elastic fiber sole + material Heated far infrared carbon fiber to keep your foot comfortable while keeping warm. Excellent anti-slip and high temperature resistance, ideal for a variety of outdoor activities

【Waterproof Design】- Washable and reusable. The materials used are waterproof. Can be washed directly without affecting the use effect. You can also clean with a brush (not for machine washing). Advice: Must be completely dry before use, and keep the USB port away from water when connecting USB power

【Adjustable Insole Size for DIY】- Electric insoles can be cut to the size you need, adjustable to your shoe size, the shoe size range is marked on the insoles for your DIY convenience, the heated insoles are 4-5mm thick, you don't need to worry about the size, there are lines drawn on the insoles, easy to cut. Suitable for men and women in European size 41-46.

【3 Heating Modes】- This shoe warmer is compatible with the USB interface, power supply, power bank (5V 2A). Put the insoles in your shoes and connect them to the power supply to enjoy the warmth. Stable heating, safety guaranteed, perfect for keeping your feet warm in winter