This item is a collaboration between Makarrt and JSD. It has been designed by Makarrt & JSD, in which Makarrt is responsible for sales and promotion and JSDA is for manufacturing. It is a authentic product with Makarrt quality. What’s this electric nail file Machine ? A powerful Rechargeable electric nail drill 30000RPM to support all types of nail art work. Such as Buffering,Grinding, Sharpening, Sanding, Polishing for Acrylic Nails,Gels,Artificial or Natural Nails and Cuticle Remover. What's the electric nail drill's peculiarities? High Speed Bearings from Japanese Brand ,Digital Speed Display, Battery Capacity Display, Rechargeable, Portable,High speed bearings, Low heat, Low noise, Low vibration. What’s its key Feature? Rechargeable & portable design, large battery capacity(2500mA) support you to do your nail work at anywhere anytime. LED display speed control knob, easy to operate and control. Built-in hight quality bearings, Low noise and vibration, smooth and quiet, very comfortable. Forward and reverse operation switch, great very comfortable. Forward and reverse operation switch, great for right-handed or left-handed use. Multi Use: Filing, carving, engraving, routing, grinding, sharpening, sanding, polishing ect.Suitable for acrylic nails, natural nails and artificial nails. Perfect for professional use or beginner. Multiple Protection System : Charge and discharge delay monitor protection, battery overheat protection, overload system protection.