Specifications: Item: Rechargeable 45000 RPM Electric Nail File Nail Gel Polisher Nail Drill Machine Material: ABS Rechargeable Adaptor Input: 110/220-240V 50~60Hz Speed(RPM): 0~45000RPM Battery Capacity: 4000mA Power: 35W Nail drill Charging Time: 1.5H Use Time: 10H Charging Port: Type-C Grinder Type : Suitable for 3/32 "drill bits Grinding Head: 6 types of grinding heads Product Size: 145*60*39.5mm Item Weight: Approx 580g Package List: 1 * Drill Machine 1 * Handpiece 1 * Switching Adaptor 1 * Handpiece Holder 6 * Optional Bits with 6 Sanding Band Feature Upgraded Handpiece DesignMade of the special material, aluminum alloy. Ample ventilation holes are designed for dissipating the heat effectively. Handpiece comes with high-quality torque and a twists lock system. Low heat, Low noise, Low vibration. Speed Up to 45000RPMThis upgraded nail drill equipped with high-quality bearing, which enables it work smoothly at a high and adjustable speed (0-45000RPM) forward or reverse by rotating the speed control knob easily with smart LCD clearly display. Portable & RechargeableBuilt-in 4000mAh large capacity battery, Being fully charged for about 2 hours, the nail filer electric will work up to 10 hours, and you can also use it as power bank for your phone. Smart and portable Design that you can portable take and use this electric nail file at anywhere anytime. Smart Display, Easy ControlEquipped with smart LCD display, Which can clearly display the right speed, rotation(forward/reverse) and the precise remaining capacity of the battery for recharging. Then you can easily use the button to control the drill nail, which more efficient. Professional MultifunctionalOur nail drill is functional, versatile, and quiet. Designed with 12 kinds of metal bits and sanding bands, suitable for all kinds of 3/32 shank bits. Awesome for nail buffing, filing the shape of various nails, and smoothing calluses or hardened skin on your hands and feet.