5V Unsex Heating Slipper: Quick Heating and High Temperature. The Working Voltage of 5 V, The USB Heating Slipper Is Very Safe And Reliable.Winter Warm Rechargeable Unisex Heated Shoes .Easy to use: Our electric hot shoe is powered by USB, just plug it into a mobile power source via a USB cable, such as a computer, wall charger, car charger or any USB socket on the USB port on the board.Gifts: Foot warmer is easy and convenient to use. It is the perfect gift for your family, friends and partners during Christmas and winterMaterial: The feet warmer is made of soft plush material, which is perfect heater to give warm and comfort to your foot and body in cold winterHigh Heating Efficiency: The heated shoes will heat up quickly and maintain a constant temperature with 3 minutes. Ideal for people who uses computer to work or study for long hours in cold winter