Product DescriptionSize: 4.5 * 8.17 cmColor: whiteMaterial: ABSPackage content: 1 * Foot file3 * Grinding head1 * Dust cover1 * Cleaning brush1 * Head changer1 * USB data cable1. Electric Callus Remover: The grinding surface of the electric callus remover has a curved surface that can increase the skin contact area and thoroughly remove dry skin, calluses or corns on the soles of the feet and heels in 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 callus removal needs and help you. 3. Two-speed control: Press the switch to show the green light. I is low speed first gear. Select II as high speed gear and choose the speed according to your preference. 4. USB battery and dust-free design: 1000mAh capacity battery for long operating times. 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 pick up most of the dust when you rub your feet. Don't worry about the dead skin spreading and being difficult to clean5. Waterproof and ergonomic: Callus removal can adapt to all types 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.