This Foot Care Device is an kind of rechargeable electric pedicure tool with fine carborundum roller rotating in dual speeds. The roller can remove all the hard calluses, dead and cracked skin from your feet, delivering a soft and smooth feet to you. The carborundum roller is removable for easy cleaning. The device is IPX6 waterproof and you can apply some exfoliating cleanser on it while you are using. The roller can exfoliate thin calluses effectively in low speed while it can remove hard calluses quickly in high speed. The device will be auto-off in 2 minutes in case of excessive using.