Emjoi Micro-Pedi Flex is a revolutionary device created to smooth dry, rough and calloused skin on the feet. The innovative flexible head moves side to side to contour to the skin and the unique roller spins 360 degrees, at an amazing 30 times a second, to gently and effectively buff away jagged skin on the soles and heels. Emjoi Micro-Pedi Flex has 2 speeds and works faster and is much safer than metal scrapers, with no blades to cut the skin, and easy to use with no rubbing, like other methods. *Ground-breaking device takes the chore out of smoothing skin on the feet *Innovative head moves side to side to contour to the skin *Unique roller with Micro-Mineral particles pulverizes dead skin in an instant *2 versions to suit all your needs: Blue (extra coarse) for normal skin and Magenta (coarse) for sensitive skin *Gently and effectively buffs away dead, calloused, hard and dry skin in seconds *Safer and more effective than metal scrapers, which use blades to cut the skin *2 speeds for sensitive or coarse skin *Battery-operated (2 AA not included)