1Electric Callus Remover: Electric foot scrubber is powerful, secure and reliable with adjustable speeds. This electric foot tool includes a brush for easy cleaning after each use, convenient and practical. 23 Roller Heads: Fully automatic foot scrubber includes coarse, medium and fine quartz grit roller heads for different skin care needs. Quickly removes calluses and cleans them up in a single grinding. 3USB Charging: The foot exfoliator is conveniently charged using the included USB charging cable for the foot exfoliator. It can be charged from an outlet, laptop, mobile power or car charger. 4High Capacity Battery: Foot scrubber file has a built in 1200mAh Li Ion battery for long time use. USB Type C port is convenient for charging. With the cleaning brush cleaning, you can clean without dead angle. 5Versatile and Effective: The electric foot scrubber effectively removes calluses, dead skin and rough skin from your feet. Improve the health and appearance of your feet, leaving them slick and soft.