[Multifunction Nail Drill Kit] Wide range of application on removing gel nail polish shaping acrylic nails polishing nail removing callus thick nail dead skin & dip powder nails manicure & pedicure and more function waiting you dig. Suitable for beauty parlor nail salon personal DIY manicure & pedicure beginners. Choose CIICII Nail Drill Kit Open your new world of nail art. [Speed Control & Two Directions of Rotation] 4-Speed+Forward & Reverse+LED Speed/Power Display: 1. 4 Gears Adjustable Speed - Short press the power switch to change 1-4 gears speed (9000-15000 RPM) 2. Forward and reverse rotation direction can be selected no matter you used right handed or left handed 3. 4 LED blue indicator light intelligently display 1-4 gears speed and battery power status (10%-40%-70%-100%) New intelligent upgraded stronger operability and controllability. [Cordless Nail Drill Set] 500mAh Lithium battery design-Completely avoid the limitations and inconvenience brought by cord. Rechargeable 2 hours about 90 minutes working time (Use time will vary according to the speed and nail items). Universal Voltage (100-240V) - USB Quick Charger (Without plug adapter) can charge anytime anywhere by connecting with any type USB interface adapter (Like Phone charging adapter USB plug board Laptop Power Bank..) Easier for business trip or travel.