Can Be Cut Rechargeable Usb Heated Insole Remote Control Wireless Foot Warmer. Features: 1Soft and Comfortable: Made of High-quality Microfiber Cloth Etc, Soft, Comfortable, and Breathable. Built-in Electronic Control System, Can Be Used in Cold Winter. 23 Temperature Levels: 3 Adjustable Temperature Levels: High, Medium and Low Temperature Mode. 3Simple to Use: Wireless Remote Control, Simple to Use. 4Can Be Cut: Can Be Cut According to Your Shoe Size to Meet Your Needs (male and Female Models Are Available). 5Keep Feet Warm: Solve Your Foot Discomfort in Cold Weather. Keep You Alive in Certain Winter Activities (such As Hunting, Skiing, Motorcycles, Climbing or Walking, Etc.), Simple to Use. Specification: Charging: USB Charging Voltage: 3.7V Battery Capacity: 2100mAh Packing List: 1 Pair of Insoles 1*Remote Control 1*Charging Cable . Your order will be shipped from abroad so please allow the necessary time of at least 21 work days for delivery due to ongoing delays in postal deliveries globally.