This product will effectively remove callus and make your feet smooth and tender. With pure aluminum body, stylish and durable to use. Ergonomic design, comfortable to grip. Upgrade version, rechargeable design, more convenient to use. Features: 1. Effectively remove callus and make your feet smooth. 2. With pure aluminum body, stylish and durable to use. 3. Ergonomic design, comfortable to grip. 4. With strong power motor, safe and effective to use. 5. Replaceable sandpaper, clean and hygeian. 6. 360 degree rotatory, easy to operate. 7. Speeds adjustable will meet different demands. 8. Upgrade version, rechargeable design, more convenient to use. 9. Charging for 50 minutes can use 4 hours. 10. Good heat dissipation performance, won't produce too much heat when working. Specification: Condition: 100% Brand New Item Type: Electric Callus Remover Optional Color: #1: Pink, #2: Gold Material: Aluminum Rated Voltage: 5V Charging Time: 50 minutes Working Time: 4 hous Capacity: 2100mAh Maximum Speeds: 450rpm Size: Approx.18.8 * 9.5 * 4.5cm / 7.4 * 3.7 * 1.7in Package Weight: Approx.412g Package List: 1 * Main Machine 1 * Box of Sandpaper(60pcs) 1 * USB Cable