Features: Equipped with various polishing heads to meet your different manicured needs. Fine workmanship and superier material, provides skin-friendly hand feel. Suitable for finger nails manicuring at home or salon. It works safely with steady vibration, its speed can be varied, low heat and low noise, nice for manicure and pedicure. The nail grinder engraving kit can be used for natural nails as well as artificial nails. Specifications: Color: Black Pink, White(Optional) Voltage: 5V RPM: 18000rpm Charging time: 2H Use time: 90min Battery capacity: 500mAh Product size: 130* 23* 23mm Note: 1.There are different kinds of adapter optional. Please choose the one suitable for your country. 2.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Package List: 1 * Nail Drill Machine 1 * Nail Drill Bit 1 * USB Charging Cable