Safe to Use: Safely wraps and warms your feet, Electric Heated Foot Warmer is using 5V 1A current input, powered by a computer, mobile phone, plug, or mobile power.Heating Stable: Avoiding high temperatures to burn feet, USB Heated Slippers are built-in a thermostat to keep the temperature at 50 degrees, heating up quickly and steadily.Hot Compress Feet: USB Foot Heater is featuring negative pressure dust-free wormwood extraction technology, helping you drive away the cold and relax the body, convenient for home use.Comfortable Material: A warm choice for cold weather in winter, Heated Plush Foot Warmer is soft, warm, and comfortable, using high-quality imitation plush and EVA base material.Washable Warmer: Lightweight without a liquid water bag, USB Foot Warmer is great as a Christmas gift for women, easy to remove the base plate and heat sink for cleaning.Description:Safe 5V 1A current input, powered by mobile power, mobile phone, or mobile power.Built-in thermostat (constant temperature 50 degrees), to avoid high temperature.Both the bottom plate and the heating sheet can be taken out to clean the foot warmer.Specification:Name: USB Foot WarmerColor: light green; pink; grayUpper material: super soft fleeceSole material: EVASize: size fits allSize: (approx.) 29*30.5*13cm/11.42*12.01*5.12inchTemperature : 50-60 degreesNote: Do not use high power plugPackage List:USB Foot Warmer * 1Notes:Due to the lighting effects and camera angles, the color of the item and that shown in the picture might have a nuance.Due to manual measurement, there might be a tolerance in the product size.