★[Upgrade Carbon Fiber Heated Boots] This electric thermal warming boots upgraded to use carbon fiber wire heating insole which emit far Infrared light, and can be stimulate your blood circulation, improving blood flow in the limbs and helping protect the feet from the coldness. Give you a warm winter. ★[3 Adjustable Temperature] There is a temperature control button on the battery, with low, medium, high temperature (40~55℃/104~131°F). You can control the temperature according to your feeling. In a cold environment, continuous warm the feet so that the body can stay warm and comfortable. ★[4400mAh Large Capacity Battery] Rechargeable heated shoes are equipped with two 4400mAh large capacity battery, providing you with up to 6-11 hours warmth at the same time. Equipped with a special charger, it can charge two batteries at the same time, and can also plug in the insole to heat up. ★[Keep Warm & Waterproof Material] The outer layer is made of waterproof and windproof Oxford cloth fabric, the inner is thickened with fluff, and the shoe mouth is designed with velcro. It keeps warm and is easy to clean. The rubber+EVA sole is non-slip and wear-resistant, so there is no need to worry about slipping even in rain or snow. ★[Perfect For] Skiing, hiking, walking the dog, walking, mountaineering, camping, casual, working, shopping, driving, vacation. ATTENTION: Please mind the size chart before buying to ensure the boots fit you. The shoes are Slim model.It is recommended to buy shoes that are one size larger than usual.