・【Versatile Speed Control】 4-speed adjustment with forward and reverse rotation for precise nail care. ・【Convenient Charging】 Type-C charging port for easy and quick power replenishment. ・【User-Friendly Display】 Screen display for simple operation and status monitoring. ・【Multi-Purpose Use】 Interchangeable grinding heads for various nail care tasks,suitable for home and salon use. ・【Portable Design】 Compact and lightweight metal body for effortless carrying and use.Specifications: ・Material:Metal body ・Dimensions:154 x 21 mm (diameter) ・Charging Voltage:5V ・Operating Voltage:7.4V ・Rotation Speed:20,000 RPM ・Working Time:Approximately 3 hours ・Charging Time:Less than 1.5 hours ・Speed Settings:1-4 levels ・Rated Power:Less than 2W ・Battery Capacity:800mAh ・Charging Interface:Type-CPackage included: ・1 x Electric Nail File ・6 x Grinding Head ・1 x Charging Cable ・1 x English User Manual