Features: 1. Variable speed from 0-20000 RPM, with speed control button. 2. 6 kinds of drill bits to meet your nail art needs. 3. Electric nail drill is suitable for grinding, sharpening, cutting, engraving and polishing of various nails. 4. The kit can be professionally used in home, salon, powder room. 5. Electric nail drill has a powerful but quiet motor. 6. The nail drill features the efficient heat dissipation performance to effectively avoid overheating. 7. When polishing nails, the noise and vibration of the electric nail drill are low and small. 8. The pen-shape and lightweight design make the electric nail drill easy to carry and easy to use. Specifications: Rated voltage: 5V Rated current: 160mA Maximum speed: 20000RPM Packing List: 1 Electric Nail Drill 6 Metal Drill Bit 5 Quartz Drill Bit 16 Sanding Band 1 Soft Nail Brush (Random Color) 1 Instruction 1 USB Power Cord?--Easy to Operate: The nail drill kit is perfect for professional home and salon use. Only need to connect the power cord to make it work. ?--Easy to Carry: The nail drill features the standard USB interface to allow you to easily connect it with any USB socket, such as a power bank, laptop, AC adapter or even car charger, and the kit is perfect for travelling and carrying around. ?--Professional Nail Drill Kit: The nail drill kit includes 11 x drill bit, 16 x sanding band, 1 x nail brush. And this is a multi-functional nail drill that can be used to polish, engrave, cut, polish, and remove epidermis of all nail arts. ?--Adjustable Speed: The nail drill features the adjustable speed, which is easy to use, and it features a speed control button, and the rotation speed of it is up to 20,000RPM, which makes the electric nail file easier and safer to polish the nails, adjust the speed or the direction of forward and reverse as needed. ?--Low Noise: The nail drill features the high-quality materials, low noise and low heat, and it has a strong and quiet motor, high-quality aluminum alloy body and efficient heat dissipation function, making it low in heat and vibration, providing a comfortable experience for your nail polish.