J2 Professional Callus Remover is a portable and cordless Callus Remover that gently and effectively buffs away rough, dry and calloused skin to reveal supple and touchable feet in seconds. It is safer and more effective than metal scrapers and easier than a pumice stone. It has two speed switch high and low speed so it is gentle on sensitive skin and have a unique roller that spins 360 degrees for fast results. It is battery operated, so you can use it anywhere in the world.Portable CordlessWaterproofEasy to UseEasy to CleanErgonomicalSafety SwitchContent:1. Cleaning Brush2. 2 Extra Rollers3. Protective CapRequires 2 x AA batteries.