Our electric callus remover features a two-in-one design with both polishing and buffing functions. Its high-speed 360-degree rotation allows you to easily remove dead skin from your feet and polish your nails, so you can enjoy a beautiful manicure or pedicure at home. The electric callus remover works without a power outlet and charges via a USB-C port. Its rechargeable 1200mAh battery provides over 1.5 hours of continuous use after a 4-hour charge and also works while charging. This electric callus remover is ideal for quickly and easily removing calluses from your feet, anytime, anywhere. Its ultra-efficient copper core motor effectively removes rough, dry, and dead skin, leaving your feet soft and smooth without damaging healthy skin. Note: This electric callus remover is only suitable for normal quality dead skin and is not suitable for severe and thick calluses. Our electric foot file has six speeds, which can be switched with a quick press of the power button. It rotates 360° at high speed and supports clockwise and counter-clockwise rotation. You can adjust the speed and direction according to your comfort and needs, removing dead skin and promoting healthy skin. The electric callus remover includes 20 replacement sandpaper sheets of varying density (10 coarse sandpaper sheets + 10 fine sandpaper sheets) and 10 nail sandpaper rings. The replacement sandpaper sheets are self-adhesive and can be easily replaced in seconds. Each user only needs one sheet for cleaning and hygiene.