Features:1. This electric foot file, no need battery to power, just plug into socket.2. Convenient to use with one button operation.Speed controller, easy to control fast or slow.3. Painless and Irritation free - Electronic callus remover is powerful yet comfortable and won't injure feet.4. Safer and more effective than scrapers, which use blades to cut the skin.Easy and comfortable to use, unlike pumice stones that require constant rubbing.5. Metal shell, look very elegant.Note:1. Before using,please soak off your feet totally with water, to soften the hard skin.This callus remover is specially designed for the callused feet or heel. Please do not use it on other parts of the body.2. If you have any problem or difficult in using our Electric Foot Callus Remover, please feel free to contact us. We will reply and solve your problem within 24 hours.Steps of Perfect Pedicure:1. Soak your feet in the warm water for 10 minutes. Then wipe with a dry cloth.2. Turn on the electric callus remover and slide over the callused feet gently to achieve the desired result.3. Clean the feet and apply some cream to moisturize the feet.