Portable Electric Cordless Nail Drill,Rechargeable Professional Nail File Polishing Machine with Ceramic Carbide Bits Set for Acrylic & Gel Nails,Pedicure Polishing Shape Tools,Manicure Cuticle Drill Description: 100% Brand new. Update positive inversion switch It is portable and it can be used in any position easily Light weight design for precise operation Easy and simple to operate Specifiction: Name: Portable Electric Cordless Nail Drill Kit-Bring Your Beauty Salon Home Color: White Voltage: 5V 2A No-load speed: 15000rpm Interface: USB Rechargable Features: small and convenient, adjustable speed Built-in: Polishing host / grinding head*5 / Drill bits*1/ Charging cable Features: 1. Mini portable nail drill set, easy to carry around. 2. Suitable for professional use, nail salon or home use. 3. Automatic safety overload protection system. 4. For everyday body care, this manicure & pedicure set is an ideal companion. 5. With these units, perform pedicure and manicure in perfection and elegance. 6. The nail file can be used for natural nails as well as artificial nail Product usage: 1:The polisher is better to operate-The electric nail filer is more switch the polisher by pulling out and plugging in it directly. 2:Gear switch-Press the power key shortly to switch 1-3gears, and the corresponding gear LED light will be on. 3:Positive and negative rotation operation-Press the positive and negative key to switch, when the bottom gear flashes, it is negative rotation. When the light is on, it is positive rotation. 4:Shut down-In the condition of operation, press the power key for 2 seconds to shut down the acrylic nail drill. 5:Charging indication-Plug in the USB cable, LED flash, charging. If the long bright ,for the battery is full.