1. Rated Voltage: DC 4.2V 2. Input Voltage: DC 5V 3. Charging Port: Type-C 4. Power: Approx. 1.7W 5. Battery Capacity: 1600mAh 6. Supports 32 levels of stepless speed adjustment for precise control of nail polish intensity 7. Equipped with an LED display for clear indication of the current speed setting 8. Utilizes a high-efficiency, quiet motor for powerful yet stable operation, maintaining stable performance even after prolonged use and ensuring durability 9. Multiple grinding heads to cover all nail polishing needs 10. Compact and easy to store, suitable for home and travel use anytime 11. Quick 2-step grinding head change for simple and efficient operation 12. Convenient charging; one charge provides enough power for multiple nail polishing sessions
