Description: This Foot Grinder can Instantly remove dry, dead skin and calluses from heels, soles, toes, and hands. Two gear speed adjustment, adjust according to your needs USB charging, large capacity lithium battery, easy to connect various charging devices, you can take it anywhere With two types Grinding Heads for different cuticles (Rough grinding head- for serious dead skin, Fine grinding head for daily care), Let your surroundingsno longer be messy. Detachable design, easy to replace the grinding head, waterproof, easier to clean. Small Size for one handed operation, ergonomically shaped for the safe and professional use, body with lighting, easy to use. The built-in power display of the fuselage, charging and discharging data at a glance. Specification: Material: ABS Model: JD-510 Color: White Power: 6W Battery:1200mA lithium battery Voltage: USB Charging DC5V Charging time: about 2.5 hours Motor speed: about 13500RPM Machine speed: Fast gear is 2200RPM, Slow gear is 1700RPM Waterproof rating: IPX5 Size(LxWxH)165 x 76 x 50mm/6.5 x 3.0 x 2.0 inch Package Includes: 1 Piece Electric Callus Remover 1 Piece Rough Grinding Head 1 Piece Fine Grinding Head 1 Piece Cleaning Brush 1 Piece Dust Cover 1 Piece USB charging Cable 1 Piece Instruction Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.