Description: Multi Functions: Electric nail drill machine, with 6 different nail Bits, suitable for grinding, polishing, trimming, removing acrylic nails, cuticle removal, etc.Portable Size: Cordless electric nail drill, compact and lightweight in size, portable and easy to use.Adjustable Speed: Efficient manicure pedicure tool, high speed and low noise, adjustable, easy to operate. Large LCD display, showing speed, power, steering.USB Rechargeable: Electric nail file for fingernail and toenail, USB rechargeable, equipped with a powerful bearing.Wide Application: The nail file is suitable for home and salon use, for professionals and beginners. Specification: rated voltage: DC12Vrotating speed: 3000-35000rpmworking time: 4-5h Size Chart: speed control: 6.1cmx14.7cm/2.40inchx5.79inchpen: 13cmx2.3cm/5.12inchx0.91inch Package Includes: 1 Nail Polishing Pen1 Control Power Supply1 Spring Wire6 Grinding Head1 Polishing Pen Cup Holder1 Charging Cable Note: Please allow slightly errors due to manual measurement and different monitors.