1、Fine workmanship and superier material, provides skin-friendly hand feel. 2、High clear LCD display, shows electric quantity, rotation direction, rotation rate clearly. 3、6 standard grinding bits, easy to change without the tools. 4、Built-in large capacity lithium batterys, supports 12 hours using time. Features: Fine workmanship and superier material, provides skin-friendly hand feel. High clear LCD display, shows electric quantity, rotation direction, rotation rate clearly. 6 standard grinding bits, easy to change without the tools. Built-in large capacity lithium batterys, supports 12 hours using time. Overcharge conservation, overcurrent conservation, reset conservation, overdischarge conservation, overpower conservation, reverse powers conservation, short circuit conservation, overvoltage conservation, temperature conservation. Small size and light weight, convenient to carry anywhere. A must-have nail tool for nail salon use and home use. Specifications: Color: black, grey (optional) Rotation rate: 0~35000rpm Batterys-capacity: 2600mAh Working time: 12h Package size: 215 * 161 * 51mm / 8.46 * 6.34 * 2.01in Package weight: 560g / 1.23lb Note: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 * Grinding Pen 1 * Connection Cable 1 * USB Cable 6 * Grinding Bits 1 * User Manual 1 * Nail Drill Machine 1 * Grinding Pen 1 * Connection Cable 1 * USB Cable 6 * Grinding Bits 1 * User Manual