Package Included: 1 x Electric Nail File 1 x Soft Nail Brush 1 x Corn Ceramic Head 6 Pcs Metal Grinding Head 5 x Quartz Grinding Heads 16 x Grinding Ring 1 x Power Cord Output Voltage: DC 5V Input Voltage: AC 110V~230V 50Hz/60Hz Speed: 0-20,000 RPM (Adjustable) Handpiece Length: 13 cm Optional Color: Pink/Silver/Gold Features: ●Professional nail care for the home and nail salons. ●Robust charging connector made of aluminum, easy to connect and charge with the USB cable. ●Speed ​​adjustable: 0-20000 rpm with stepless speed controller, makes it easier and safer for you. ●Design: Compact and light design makes handling simple and easy. Enjoy the possibility of nail care anytime, anywhere. ●Powerful & energy-saving: Quiet, yet powerful. The wired power supply achieves high performance, no annoying battery changes necessary. ●Electric nail polisher with 6 metal grinding heads and 5 quartz grinding heads with adjustable polishing speed,polish your nails easily, quickly and safely.