* Usage: Removal of callus function, foot massage function, foot repair function, heel grinding cuticle layer.* Vacuum absorption system.* Quick loading.* USB charging.* Two Diamond Grinders.* Equipped with a clean sponge to keep debris in place.* Size: 10*6.5cm / 11*7.5cm * Package Included:* 1 X Foot File* 2 X Grinding Heads1 X Brush1 X USB Charging Line1 X User Manual