High Speed up to 30000RPM: This professional nail drill is equipped with high-quality bearing, which enables it work smoothly at a high and adjustable speed (0-30000 RPM) by rotating the speed control knob easily. It is an ideal file for both professional technicians in salon and newbies who start their journey to nail beauty at home. | Top Quality Torque: The efile comes with superior torque to avoid it from stopping occasionally when applying appropriate pressure. Awesome for nail buffing, filing the shape of various nails, and smoothing calluses or hardened skin on your hands and feet. | Rechargeable and Cordless: With a large battery capacity(2000mA), you can use this nail drill at anywhere anytime. Being fully charged for about 2.5 hours, the electric nail file will work up to 7 hours. The smart LCD screen will display the precious RPM and electricity. A Belt clip of the body case allows you to hang it on your belt on the waist and it is compact enough(6.08*2.94*0.98) to pack into your traveling bag or case. | Light Weight Handpiece: Made of the special material, aluminum alloy. Ample ventilation holes are designed for dissipating the heat effectively. Do your nail smoothly and enjoy the feeling of low vibration. It will not let your hand be numb after long-term use. Pencil-shape and lightweight design are perfect for extended use. (works with all kinds of 3/32” shank bits). | Professional Quality: MelodySusie nail drill is functional, versatile, and quiet. Let's do your own manicures like a pro.