ADJUSTABLE SPEED: Electric callus remover for feet 3 adjustable speeds for safe and effective callus removal. Helps you find the most comfortable, appropriate and effective setting to enhance the overall experience and make the pedicure process more enjoyableUPGRADED VERSION -- POWERFUL and SAFE: Upgraded version of electric foot file callus remover is equipped with 3 enlarged quartz crystal removable roller head, quartz roller head wider, larger area to remove dead skin, 2 speeds can correspond to the roughness required to remove the callus on the foot; 1900/2200 revolutions / minute, grinding faster and cleaner; thus effectively removing calluses and cracked heel dead skin, , so that your feet to restore delicate and smooth skinLCD display shows speed and power status, the electric foot scrubber device in the work of dead skin remover will automatically light up the indicator light, Provide illumination for the targeted dead skin area, comfortable and convenient to use.seIPX7 WATERPROOF -- AUTOMATIC SPIN-DRY WATER: Our feet scrubber dead skin foot grinder has IPX7 advanced waterproof grade, full body waterproof, dry and wet feet can be used, can be rinsed under the tap water; after cleaning, put it into the dust cover and press the starter switch can be automatically spin-dry water, easy to use, safe, the dust protection cover is designed with 2 small holes, so that the water is more easy to flow out, and at the same time increase the lifespan of the callus remover