Rechargeable & Portable: This cordless nail drill machine comes with a large capacity battery 3600mAh, which charges for about 3 hours, can be used for up to 8-10 hours, portable size(6.3*2.8*1 inch) and light weight of this electric nail file make it compact to pack into your bag for carrying out conveniently anywhere anytime | High-Speed Bearings: Our superior nail drill is equipped with a powerful bearing, which works smoothly at a high and adjustable speed (max 35000 RPM) by rotating the speed control knob with ease, great electric nail filer for both professional nail salon use and DIY your nails at home, enjoy nail beauty with your friends | Low Heat/Low Noise/Low Vibration: Quality aluminum alloy handpiece is made up of powerful yet quiet torque with smart heat dissipation and low vibration, comfortable to grip in hand, twists lock system makes it easy to change nail drill bits, this nail polisher machine provides you a safe and effective nail art experience | Easy to Handle: Our e file machine is very easy to use, one-touch button supports to display power and change forward/reverse direction with speed showing on the LCD screen, one-touch operation design gives you a simple and convenient use experience, both professionals and beginners could master this nail drill machine easily | Multifunctional Nail Drill Kit: Including 7 nail drill bits and 6 sanding bands for different usage, this nail drill kit meets all nail beauty needs, perfect for manicure and pedicure, such as grinding, carving, cutting, polishing, removing natural acrylics nails, gel polish dip powder nails, callus, cuticles and more, as well as for all nail arts