[Upgraded Product Performance]: High-tech high-speed bearings and an upgraded internal motor ensure stable quality, low noise and minimal vibration during manicures. The high-quality aluminum body provides efficient heat dissipation and long-lasting operation. [Adjustable Speed and Safety]: The nail drill features a 3000-15000 RPM speed control button, making this electric nail file easier and safer to remove nail glue without damaging natural nails. The high-tech nail drill is stable, quiet, and vibrates slightly during manicures. [Easy to Charge and Use]: The electric nail manicure set charges via a cable; simply connect the power cord and you're ready to go. The five types of nail drills can be easily swapped without tools; simply pull them out and plug them in. This makes it suitable for beginners. [Stylish and Portable Design]: The high-density aluminum alloy body with an anti-slip surface treatment is scratch-resistant, drop-resistant, and shatter-resistant. The pencil-shaped handle provides a comfortable and secure grip and a lightweight design. The pen-shaped design makes it easy to carry around. Professional Nail Drill Set: Contains 5 different drill bits, 1 metal sanding ring shaft, and 6 sanding rings. Can be used for manicure, pedicure, polishing, shaping and removing excess cuticles, or pet nail grooming, etc.