USB Electric Nail File Nail Ser Professional Nails Manicure Machine Manicure Pedicure Kit for Salon Home Nail Art Tools What you get ? 1Nail Drill Machine 6Drill Bits 1Soft Nail Cleaning Brush 1USB charging line 1Bag Sing Bs 1User Manual Specifications: - Input Voltage Range: 110V-240V 50/60Hz - Output Voltage: DC 5V - Speed: 0-20,000 RPM (adjustable) - Hpiece Length: 5.31 inches,Hpiece Weight: 1.76 ounces Bits Size: 3/32" - Power supply: USB adapter or any USB port sources (USB cable included) - Color: Pink, Sliver Feature: Professional Electric Manicure Kit - Electric Nail File Set with 6 Drill Bits 6 Abrasive Bs, is a multi-functional nail drill for trimming, polishing, shaping, removing old suitable for nail salon, beauty salon pedicure or Creative DIY nail work at home. USB Rechargeable Design - The USB Rechargeable Nail Drill Machine is designed to meet different occasions. It is convenient for you to charge by power bank or 5V / 2A adapter, is your best choice for your nail work anytime anywhere. Adjustable Direction Speed - Two-way switch for more choice, the direction of the nail drill is adjustable can be operated with left right hs. The speed can be adjusted, 0-20000rmp, perfect for nail salon, beauty center, spa or personal manicure. Easy to Use - Plug the USB cable into the USB adapter (or other USB port source) to the main electrical outlet, select the desired speed by turning the variable speed control knob on the hpiece. It is easy to use change bits without tools. Important Notice - Since this product is equipped with a USB data cable, the electric current used should be less than 2A. After use, be sure to turn off the power before replacing other grinding heads. How to use? 1 - Choose the bit you need. Insert the bit into the front hole until you can't push out. 2 - Plug the power cord into the nail drill head the other end into a USB outlet. 3 - Control the FORWARD / OFF / REVERSE button in the center of the 4 - Check the speed switch in the middle of the power cord to adjust the speed.