The Emjoi 3D Micro-Pedi Power is a ground breaking device with multi-movement technology created to smooth dry, rough and calloused skin on the feet and heels. The revolutionary patented flex roller, made with microscopic mineral particles, flexes with the skin and pulverizes dead skin in seconds. Spinning at 360°, an amazing 30 times per second, and oscillates laterally at 20 times per second this ingenious design gently and effectively buffs hard, jagged skin on the soles and heels in an instant.