Features: Powerful Electric Operation: Effortlessly removes toughness calluses with strong, consistent motor performance. Smart Digital Display: Provides clear real-time information, often showing battery level, speed setting, or mode. Integrated Vacuum Suction: Automatically collects dead skin debris, ensuring a mess-free and hygienic experience. Effective Callus & Dead Skin Removal: Designed to gently yet thoroughly buffs away hard skin for smoothing feet. Multiple Speed Settings: Allows users to customize the intensitys for different skin types and callus severities. Ergonomic & Portable Design: Comfortable to hold and easy to carry, perfect for travel or home use. Notice: Actual color may be slightly different from the image due to different light effect Please allow 1-3cm deviation due to manual measurement Description: Voltage: USB charging DC5V Power: 6W Charging time: about 2.5 hours Motor speed: about 13500RPM Complete speed: Fast: about 2200RPM, Slow-Speed: about 1700RPM Battery type: 1500 mAh lithiums battery Continuous battery life: about 100 minutes Package includes: 1 coarse sanding head, 1 fine sanding head, 1 USB charging cable, 1 cleaning brush, 1 transparent protective cover, color box and instruction manual. Package List: 1 Set Foot Dead Skin Callus Remover