Package Includes: 1 Nail Drill Machine, 6 Metal Grinding Heads + 6 Matching Grinding Bands, 6 Grinding Heads, 3 Ceramic Grinding Heads, 1 Dust Brush, 5 Mini Scrubbers, 1 Pack Grinding Head Sandpaper. Portable Nail Grinder with Power Storage - Professional High-Speed Quiet Salon. Eight Advantages: 1. Efficient Grinding with Adjustable Visual Speed Rotation speed and direction can be adjusted. The screen displays your current speed and remaining power. The value is clear, allowing you to select your desired speed. 2. Comfortable Feel, Faster and Better Nail Removal Powerful motor significantly improves nail grinding/removal speed. Comfortable hand feel, easy operation, no hand shaking, and no overheating. 3. Large Capacity Battery. 4. Improve Nail Efficiency. Compact body, space-saving, easy to use, and portable. 5. 360 Electric Operation Rotary motion, micro-motor rotates rapidly every minute. 6. Free Switching Rotation speed can be adjusted as needed. 7. Simple and Fast Operation Rotation lock handle, interchangeable grinding head, easily solves various manicure problems. 8. Intimate Configuration A variety of grinding heads are used to achieve double the results with half the effort. How to Use Our Nail Drill? *Turn clockwise until you hear a click into place. *Remove the test drill bit. *Insert the desired bit. *Turn counter-clockwise to lock the drill bit. NOTE: The machine will display a warning if it gets stuck and needs to be restarted.