Callus Remover Machine - Electric Foot File Smoother skin without chemicals or razors. Get rid of callus the safe way with Callus Pro! The cordless, rechargeable Callus Pro tool is designed with convenience and safety in mind. Charge it at night for an all-day use. The small handle fits comfortably in any adult hand and is easy to control. It features a pressure sensitive button on the handle to control the speed of the spinning head. And the sand disks are easy to replace. Charging time: 2.5 hours Working time: 12 hours 2 Speed Choices: 500rpm and 700rpm  Comes with 60pcs of the 80 grit sanding discs