About this item 2 Speed Settings The electric callus remover for feet has 2 speeds: 1700x/min at low speed for daily care and nail polishing;2000x/min at high speed for strong remover callus. It is not only suitable for nail polishing but also for dead skin removal. Quick and Rechargeable An efficient pedicure tool that can be charged for up to 2 hours using the included adapter. The 600mAh lithium-ion battery can be used for up to 1 hour. Waterproof Design Electric foot file is waterproof and can be washed under running water all over the body. It can be washed and kept clean after use. It is suitable for wet and dry use, and the electric foot scraper solves the problem of bacteria growing on crevices and protects your feet' health. 2 Changing Abrasive Heads The foot callus remover has 2 different types of quartz abrasive heads, coarse head for removing stubborn dead skin cells and fine head for daily care. You can choose the right abrasives for your skin to maintain your feet and restore smooth and delicate skin. Daily Care Our electric callus removers for feet removes dead skin, leaving your heels and beautiful feet without the need for a foot spa, perfect for men and women who want to remove dead skin safely and professionally at home.