specification: Item Type: Electric foot file_x000D_Material: ABS_x000D_Battery Specifications: Lithium Battery, Model 18650, Capacity 1200 mAh (With Built In Battery)_x000D_Use: Foot scrubbers to remove dead skin calluses_x000D_How To Use: _x000D_Long press the switch to start, short press the gear switch._x000D_First gear is low speed._x000D_Second gear for medium speed._x000D_Third gear is high speed._x000D_Long press to switch off. Features: 1FUNCTION: Long asting micro abrasive particles surface to remove hard, rough, broken, dry and calloused skin, easily obtain soft and beautiful feet. 2EFFICIENT: This foot scrubber has more abrasive particles, making it more efficient at removing dead skin and super durable. 3ABRASIVE HEAD: A variety of replacement heads to choose from, double abrasive head combination, so that the machine better understand your feet, to help you remove dead skin faster, calluses, give your feet careful care. 4DURABLE: Nano glass abrasive head, can more efficiently remove tough dead skin, care for the feet, repeated grinding is still efficient, durable. 5EASY TO WASH: Sanding sheet can be rinsed, can be used repeatedly, long life, with strong power to remove foot calluses, to preserve your feet. PackageList: 1 x Main Machine 1 x USB Charging Cable 1 x Cleaning Brush 2 x Abrasive Heads