1. High Speed: Electric manicure drill machine with 0‑45000RPM can be adjusted, low heat, low noise, and low vibration provide a comfortable using experience. 2. 6 Drill Bits: Electric nail polishing machine with 6 different drill bits for you to use, you can easily rotate the drill pen handle to change the grinding head freely. 3. Clear Screen: Electric nail grinding machine with a display screen to clearly display electricity, rotation direction, and speed, which is easy and convenient for you to use. 4. Wide Application: Electric nail drill machine is perfect for both home and manicure salon use, suitable for nail grinding, nail shaping, nail polishing, etc. 5. USB Rechargeable: Electric nail polishing machine built in a 4000mAh lithium battery, adopted USB charging interface design, which can also be used as a power bank. Specification:Item Type: Electric Nail Drill MachineMaterial: ABSLength: Approx. 14.5cm / 5.7inWidth: Approx. 6cm / 2.4inSpeed: Maximum 45000RPMBattery Type: Lithium battery (Included) Battery Capacity: 4000mAhMaximum Power: 36WApplicable Charger: 5VPackage List:1 x Host 1 x USB Cable1 x Handle1 x Handle Bracket1 x Double DC Head Connection Line 6 x Grinding Head 6 x Grinding Rings 1 x Accessories Storage Box 1 x ManualNote:Please allow 0‑1cm error due to manual measurement. Thanks for your understanding.