Adjustable speed with one-touch forward and reverse rotation for versatile operation. High chuck concentricity ensures smoother performance during use. Large-capacity built-in 5000mAh battery provides long-lasting power for extended tasks. Emergency charging function allows the device to be used as a power bank in critical situations. LCD display shows real-time speed and battery level for easy monitoring. This innovative tool combines functionality and convenience, featuring adjustable speeds from 0-35,000 rpm for precise control. Its sleek design enhances usability, while the scroll wheel allows for flexible operation. With higher speeds and lower noise levels, it is perfect for both professional and personal use. The built-in battery ensures you can work longer without interruptions, and the emergency charging feature adds an extra layer of practicality. Color: As Shown Material: Aluminum Plastic Package Contents: 1*Nail polisher 1 set of polishing head accessories 1 set of polishing head accessories 1*Instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.