This rechargeable callus remover is an innovative device designed to smooth dry, rough and callused skin on the feet. roller grind rotates 360 degrees at an amazing 40 times per second and the 300-degree wide angle gently and effectively buffs away hard, jagged skin on the heel. This electric foot file works faster, is than a metal scraper and easier to use than other methods that require constant rubbing to achieve results, it's battery-powered and designed to fit comfortably in your hand, and smooth, silky feet have never been so easy. 3 Replacement Foot Scrubber -- Foot Callus Remover has Equipped with three quartz crystal roller heads, the coarse grinding can remove stubborn corneal , the medium grinding can remove rough , and the fine grinding is used for daily care. 2 Speed & LCD Display -- The electric foot callus remover has 2 speeds: 1800x/min at low speed and 2400x/min at high speed.If too much pressure is applied, it automatically stop working and avoid damaging healthy skin. IPX6 Waterproof -- Pedicure kit simple design, reduce more parts assembly, reduce the seam, to do IPX6 waterproof, after using foot roller can be rinsed with water (such as the cleaning method shown in the video), effectively solve the problem of breeding in the seams, to protect your clean feet. Rechargeable -- The electric callus remover for feet has a built-in 600 mAh rechargeable battery that can be used for more than 100 minutes on a charge in just 1 hour. No more need to use manual foot file to remove , really free your hands! Colour:White Material:plastic Package Contents: 1 x foot grinder 3 x replacement heads 1 x cleaning brush 1 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.