USB rechargeable and portable: you don't need to change the batteries often as it is USB rechargeable. On the other hand, it is also a portable pedicure tool that can be recharged anywhere, anytime and can last up to 150 minutes on a single charge, making it a safe and energy efficient foot scrubber. Waterproof design: IPX7 waterproof. The electric foot file is designed to be waterproof and the whole body can be rinsed under running water. It can be washed and kept clean after use. It is suitable for both wet and dry use. The electric foot scraper effectively solves the problem of joint bacteria growth and protects the health of your feet. Useful LED light: Unlike other callus removers, our electric callus remover is equipped with an LED light, which provides you with better light for optimal pedicure results when used in dimly lit environments. We think this is a very effective feature for people with poor eyesight or the elderly. A professional gift: with our electric callus remover you can save a lot of money on your foot care visits to the spa salon. It's also a great gift for friends or family members who often have to work on their feet! Specifications: 1. Ergonomic design, easy to hold the handle. 2.Two speed control, press the switch to show the green light I for the first low-speed gear, select II for the second high-speed gear, according to their own needs for speed selection. USB charging interface, red light shows when charging, red light turns to green light after charging. 3. Powerful, with coarse and fine two different quartz grinding head, can effectively remove dead skin, calluses. 4. The machine is equipped with a foot grinder with its own coarse abrasive head (default), a coarse abrasive head, a fine abrasive head, a USB charging cable, a cleaning brush, a transparent protective cover. One manual in colour box. Package Included: Callus remover electric * 1 roller head * 3 USB cable * 1. Cleaning brush * 1 Abrasive head clip * 1 Abrasive head cover * 1 Instruction book * 1