specification: Item Type: Electric Foot Files _x000D_Material: ABS_x000D_Battery: Built?in lithium battery 600mAh_x000D__x000D_Operating Instructions:_x000D_The speed regulation of the second gear can be adjusted freely according to the demand. Short press the power button, the 1st gear is blue, and the 2nd gear is red. Click again to shut off. _x000D_Product charging instructions:_x000D_Head can be washed with water, use a cleaning brush to clean but the body can not be washed with water, do not let the charging port contact with water. Features: 1Vacuum system makes it can absorb dust while grinding feet, high speed centrifugal rotation dust absorption. 2Comfortable polishing skin, double gear speed regulation, suitable for different users to use for foot care. 3The head can be disassembled and cleaned to keep the body cleaning (Note: the body is not waterproof and can not be washed). 4With built?in suction function, there is a dust storage bin, clean and convenient to bring a new foot grinding experience. 5Built?in lithium battery 600mAh, come with USB cable of the package for easy and convenient charging. PackageList: 1 x Host 2 x Spare Head 1 x USB Cable 1 x Cleaning Brush 1 x Manual