Features: 1. **Easy Callus Removal:** Unlike traditional files, the electric callus remover is gentle and helps restore soft, smooth feet quickly and painlessly. It's also beneficial for those with osteoarthritis, as it eliminates the need for manual filing. 2. **Restore Foot Beauty:** The coarse roller removes hard calluses, while the fine roller is for daily care, resulting in beautifully smooth feet. Recommended for anyone who appreciates clean feet. 3. **Perfect Foot Care, Anywhere:** The USB rechargeable callus remover features a large-capacity lithium battery and a battery display. Enjoy a professional pedicure experience at home, in the shower, or while traveling. *Note: The charging port is not waterproof.* 4. **Pamper Your Feet:** First, soak your feet in a hot foot bath for at least 10 minutes. Dry them thoroughly, then select the appropriate roller and speed (low/high) to begin smoothing. Finish by applying a foot cream. 5. **An Ideal Foot Care Gift:** This electric foot file is the perfect solution. It's a professional gift that helps you, your family, and friends achieve beautiful feet. Specifications: * Charging Time: 3.5 hours * Battery: 1200mAh Lithium Battery * Functions: Power digital display, waterproof, dual-speed control * Usage Time: 420 minutes (idle) * Power: 3W * Charging Method: Dual-purpose charging and plugging * Material: ABS * Color: White * Size: 19.5 x 14 x 5.5 cm * Weight: 293 g Package Includes: * 1x Foot Grinder Body * 1x USB Charging Cable * 1x Cleaning Brush * 1x Coarse Sand Head * 1x Fine Sand Head * 1x Neutral Instruction Manual * 1x Neutral Packaging Box