USB rechargeable: The electric manicure machine has a built-in 2600mAh lithium battery with a USB charging cable. It is compact and can be easily held in the hand to polish nails. It is suitable for carrying around and has a long service life. It is suitable for home and nail salon use. This nail drill machine has a powerful motor with adjustable speed from 0 to 30,000RPM, gradually changing the speed, which can provide stable operation and rotation without jamming. 6 Drill Bits: This nail art drill comes with 6 different drill bits for you to use, so you can easily and freely change the drill bits according to the condition of your nails to polish the shape to your satisfaction. This nail drill comes fully assembled and easy to install for efficient manicure work. Easy to operate: The electric nail drill is easy to operate. Turn the knob clockwise, the digital tube numbers will gradually increase with the rotation, and the handle speed will speed up; conversely, turn the knob counterclockwise, the digital tube numbers will decrease, and the handle motor speed will gradually decrease. Wide Application: The electric nail polisher is ideal for home and nail salons for nail removal, exfoliation, polishing and trimming. Nail polishing machines can improve the efficiency of our nail polish application and are very suitable for professional manicurists and novices to apply nail polish at home. Care Products: Magical care products to ensure you are happy every day. Your fate is sealed when you come across this amazing product. Take this destiny product home and reduce your worries Specifications: Product Type: Electric Nail Drill Material: ABS Battery Type: Lithium Battery (included) Battery Capacity: 2600mAh Speed: 0-30000RPM Usage: 1. Insert into the handle The connector plugs the grinder's plug into the corresponding socket on the host machine. 2. Press the button switch, the host digital tube and power indicator light will light up, and the host will work normally. 3. The digital tube displays F15 font, which means that the grinding handle is in forward rotation and the rotation speed is 1500RPM. When the knob is rotated clockwise, the digital tube numbers will gradually increase with the rotation, and the handle's rotation speed will also increase. On the contrary, if the knob is rotated counterclockwise, the digital tube numbers will decrease. Small, the speed of the handle motor also gradually decreases. 4. Short press the button switch, the digital tube displays from F15 to R15, the machine switches from forward to reverse, and the speed is 1500RPM. 5. When not in use, just press the button switch, and the digital tube display and power indicator light will go out, indicating that the machine is in sleep standby mode. 6. Battery power display. When it is full, it means that the battery capacity is sufficient. It will gradually decrease with the working time. When it shows that only one bar needs to be charged, insert the power charger connector into the corresponding socket of the host. The power display indicator light flashes, indicating charging. Works fine. Packing list: 1 x Main unit 1 x Polishing pen 6 x Polishing head 6 x Sanding ring 1 x Storage box 1 x Pen holder 1 x Manual 1 x USB cable 1 x Base