Description:  This electric feet callus remover kit removers dead skin of feet to bring your sophisticated heel and beautiful feet, ideal for use at home. It has 3 different grinding heads and 2 adjustable speeds to remove different thicknesses of calluses, meeting all your needs. It is a portable, high-efficient, safe foot pedicure tool to make your feet restore delicate and smooth.    Features:  Foot Callus Remover Kit:  Comes with 3 different grinding heads. Rough grinding head removes stubborn dead skin, medium head for rough dead skin, and fine head for daily foot care.  Innovative Design:  The particle distribution of quartz sand grinding head is uniform and it doesn't damage normal skin. The grinding head with holes can absorb the debris into the storage bin, making cleaning work easier.  2 Speeds Adjustable:  Press the power button to enter low-speed mode (first gear about 1900rpm), press again to enter high-speed mode (second gear about 2200rpm).  Long Battery Life:  Built-in 1500mAh large capacity battery ensures about 150 minutes of working time and charging time is about 2.5 hours. Supports LCD battery allowance display.  IPX7 Waterproof:  The whole body of the electric foot file can be rinsed under running water for cleaning, but not for a long time.     Specifications:  Type: Foot Callus Remover  Battery Capacity: 1500mAh Lithium battery  Working Time: about 150 minutes  Charging Time: about 2.5 Hours  Charging Voltage: 5V  Power: 6W  Rotating Speed: first gear is about 1900 RPM and second gear is about 2200 RPM  Material: ABS  Color: Black with grey  Package Size: 19*14.5*5.5cm  Package Weight: 300g    Package List:  1 * Electric Foot Callus Remover  3 * Grinding Head  1 * Grinding Head Cover  1 * Grinding Head Tweezer  1 * USB Cable  1 * Dust Brush  1 * User Manual