The electric foot grinder, as seen in the image with the "Find Back" callous remover, is a handy tool for removing dead skin off feet. This device is designed to make foot care easier and more efficient. Being rechargeable via a USB cable adds to its convenience, allowing users to charge it up and use it whenever needed without worrying about replacing batteries. With its easy-to-use design and features like a coarse and fine head for smoothing out feet, this electric foot grinder is a practical addition for anyone looking to pamper their feet at home.