The Electric Foot Callus Remover is designed to smooth dry, rough and calloused skin on your feet in a much safer, quicker and easier way. Features: 1) Powerful: 360-degree roller rotating 40x/s, removes all stubborn calluses. 2) Quick: Reveals the real soft and smooth appearance of your feet in seconds. 3) Protective: No-blade design and pressure-sensitive tech prevent skin from cuts. 4) Customizable: 2 kinds of rollers and 2 rotating speeds solve different problems. 5) Rechargeable: Built-in 1200mAh li-ion battery is convenient and eco-friendly. 6) Waterproof: Allows to rinse under running water after each use to keep clean. 7) Durable: Made of premium materials to ensure long-lasting use. 8) Portable: Easy to take around and keep feet perfect all the time. 9) Practical: An economic at home pedicure tool for both men and women.