Features: Compact Design: Cordless electric nail file adopts pen shape, lightweight and compact design, easy to handle and carry anywhere. 5 Adjustables Speed LCD Display: Equipped with LCD display to clearly show 5 adjustables speed levels, you can set it lower to drill natural nails to avoid injury or set it higher to drill acrylic nails Light weight and in small size: easy to store and carry, suitable for DIY personalized crowd.It can be used for nails or artificial nails, very suitable for professional use, nail salon, makeup studio or home use. Portable Compact Design: This nail drill machine made of quality metal, tiny and lightweight design, easy to handle and carry it anywhere. Safer and painless. Compared to manual nail clippers, our nail polisher will avoid over clipping nails and hurting your nail, saying goodbye to the horrible nail grinding experience. Notice: *Actual color may be slightly different from the image due to different light effect *Please allow 1-3cm deviation due to manual measurement Description: charging Method/charging voltage TYPE-C interface/DC 5V operating voltage 3.7V rated Power speed 18000. adaptive grinding head 2.35mm battery capacity 500mAh working hours about 2hours Package List: 1x Nail Grinder