Product Description1.Multifunctional: Designed with some kinds of metal bits , which are used for grinding, carving, cutting, polishing for many nail arts as well as cuticle removal.2.Adjustable Speed: 0-20,000RPM with a speed control button, which makes this electric nail file easier and safer to polish your nails.3.Low Noise and Low Heat: This electro file is with a powerful yet quiet motor. Also, the smart heat dissipation can avoid overheating efficiently. (no more than 20 minutes of continuous use each time is recommended).4.Portable and Light: Compact and lightweight design make it easy to carry and portable to bring it out, you can so your nail art work anytime anywhere.5.Easy to Use: It is professional for both home and salon use. Just need to connect the power cord with it to start working.