Function:1. High Speed: Electric manicure drill with powerful motor, which can be adjusted from 0 to 30000 rpm, which allows stable operation without stalling.2. 6 Drills: Electric nail polish machine with 6 different drills for you to use. You can easily change the grinding head freely according to your needs.3. Easy to Use: The electric nail grinder is easy to use, you can turn the knob clockwise to speed up and turn the knob counterclockwise to slow down. 4. Wide Application: The electric nail drill is perfect for home and manicure salon use, suitable for nail removing, peeling, polishing and trimming.5. USB Rechargeable: Electric nail polisher with built-in 2600mAh lithium battery and USB charging cable, convenient to use. Specification: Item Type: Electric Nail Drill Material: ABS />Battery type: Lithium battery (included)Battery capacity: 2600 mAhSpeed: 0-30000 rpmUse:1. Plug the grinder handle connector into the corresponding socket on the host machine.2. Long press the button switch, the host digital tube and power indicator light up, the host works normally.3. Digital tube display F15 font, indicating that the grinding handle is in a positive rotating state, the speed is 1500 rpm, the digital tube number of the clockwise rotating button gradually increases with the rotation, the speed of the handle is also accelerated, counterclockwise on the contrary, digital tube count decreases, the handle motor speed also gradually decreases.4. Short press the button switch, digital tube display from F15 to R15, the machine from forward to reverse conversion, the speed is 1500rpm. 5. When not in use, just long press the button switch, the digital display and the power indicator turn off to indicate the machine is in sleep mode.6. The battery power indicator in the full network shows that the battery capacity is sufficient, with the working time gradually decreasing, when the display only needs to charge a