Description: Alloy Sharpener: Our Foot Callus Remover are made of safe and quality alloy head and ABS shell. USB wired charging foot , built in 1000mAh rechargeable battery, work time for about 1.3H after once fully charged. 2 Level Grinding: Foot Grinder provide 2 levels adjustable grinding speed, one button easily switch level 1500RPM for dry and dead skin removal, second 1700RPM soles/cracked heels/calluses and corns removal and relieve. Replacement Grinding Heads: Foot , we provide 1x fine polishing head for dry and dead skin, 1x coarse sand grinding head soles and calluses.With an ergonomic smooth design that fits the of . Easy to use, once a week, you can easily have a smooth and refreshing foot skin. Silent Quiet Operating: No noise motor, quiet running. Built in strong vacuum suction system, automatically adsorb foot skin powder while grinding, clean and safe. Durable for both dry and wet foot skin. Heavy Weight Protection: The Foot Callus Remover will intelligent lock and automatic stop when pressing too hard, reduce the risk of scratch. Manual restart is required. Practical Daily Foot Care tool, providing quick and comfortable foot care for you and your families in several minutes. Specification: Material: ABS Plastic + Alloy Size: Approx. 63x63x103mm/ 2.48x2.48x4.06inch Battery Capacity: 1000mAh Rating Input: 5V/1A Charging: USB Rated Power: 5W Package Includes: 1 Piece Foot Callus Remover 1 Piece USB Cable 2 Pieces Grinding Heads Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!