Rechargeable Heating Insole With Led Display Wireless, Foot Warmer For Shoes. Features: Adjustable Temperature Control Wireless Remote Control Insoles. RF Radio Frequency Control, Wireless Electric Heated Insole. Built-in Lithium polymer Battery, Battery capacity of Electric Heated Insole: 2000mAh. Keep warm and Tosty In cold winter and Even Challenging Weather Like on Everest Mountain. Long working time and Long lifespan, Heat Up for 1 Day Long by Proper Use, Battery Can Be Charged over 500 Times. Therapy function, Far Infrared Radiations of Carbon Fiber Heating Elements Are Good for Blood Circulation of Human Body. Cut-to-fit: Suitable for different styles and Different Sizes of Men Shoes and Women Shoes. Material Safe and eco-friendly, Our Electric heated Insole Is water-proof, Breathable, and Deodorant. Specifications: Product Name: 2000mAh Rechargeable Electric Heated Insoles Type: Electric Heating Insoles Heating Elements: Carbon Fiber Material: Eva Foam Gender: Unisex Product Category: Heating Shoe Pad Battery Capacity: 2000 MAH Surface Material: Velvet Bottom Material: Ousilai Memory Foam Size: EUR 35-4 Weight: 450g Suit: Outdoor Sports, Skiing, Running, Hiking and So On. . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.