It is an Electric Foot Grinder, a sophisticated tool for foot care designed to effectively remove dead, dry, and cracked skin as well as calluses. Core specifications and features: Function: The device gently and effectively exfoliates the skin without causing irritation or pain, providing noticeable softness to the feet. Charging: The device is rechargeable via USB port, making it cordless and easy to use anywhere. Design: It features a comfortable two-tone design (white and gold) that is easy to grip and control.