Product DescriptionSize: 4.5 * 8.17cmColor: whiteMaterial: ABSPackage content: 1 * Foot grinder3 * Grinding head1 * Dust cover1 * Cleaning brush1 * Main switch1 * USB data cable1. Electric Callus Remover: The grinding surface of the electric callus remover has a curved surface design, which can increase the skin contact area and thoroughly remove dry skin, calluses or corns on the soles of the feet and heels in a few seconds, precisely, painlessly and gently, without risk of injury. Press for 2 seconds to turn on. 2. 3 Grinding Heads: We have 1 fine roller head, 2 coarse roller heads in this set. The roller of the callus remover can be easily replaced and cleaned. A total of 6 modes meet all your needs for callus removal and help you. 3. Two-speed control: Press the switch to show the green light. I is low speed first gear. Choose II as high speed and choose the speed according to your preferences. 4. USB battery and dust-free design: 1000mAh capacity battery for long operating time. It can be connected to a PC, adapter, power bank, etc. for charging. Our callus remover is motorized with a built-in vacuum cleaner and can collect most dust when you rub your feet. You don't have to worry about the dead skin being scattered and difficult to clean5. Waterproof and ergonomic: Callus removal can be adapted to all kinds of humid environments. You can enjoy foot care in the bathroom and not immerse yourself in water. A perfect gift for your family and friends. Special ergonomic non-slip design, you don't have to worry about falling.