Description: Professional Nail Drill Set: Packaging with different drill bits and sanding bands, multi-functional for easily grinding, carving, cutting, polishing, removing gel polish and cuticles for both acrylic nails and natural nails. Adjustable Speed: Speed control button to adjust the speed 5000-10000-18000 RPM. It makes this electric nail file easier to smooth your nails. Portable & Compact Design: This Nail drill machine made of high-quality metal, tiny and lightweight design, easy to handle and carry it anywhere. Powerful Function: Professional high-tech speed bearing and motor, It makes the electric file low heat, low noise, and low vibration. USB charging. It is professional for both home, salon, and school use. If you need to use it for a long time, you can use it while charging. Specification: Bit shank diameter: 3mm Collet depth: 25MM Speed: 5000-10000-18000 three speed Power: 10W Battery voltage: 4.2V Battery capacity: 300MA Charging: 80% can be charged in 30 minutes, fully charged in 60 minutes. Electric quantity display: 1 light =30% 2 light =31%-70% 3 light =71%-100% After being fully charged, the electric grinder will automatically turn off the light Package Includes: 1 Set of Electric Nail Drill Kit Note: Do not place the electric grinder at a high temperature above 40 degrees. Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.