Description: Portable: Nail polisher, polish anytime, anywhere, make it your exclusive salon. New upgrade: the new DC plug interface, the USB connection is more convenient. Electric polishing pen: polishes nails, removes dead skin, finely polishes, scrapes scab surface, and facilitates the removal of nail polish. Multiple types: Different heads are designed to obtain different polishing effects, which can quickly sharpen various types of nails Adjustable: adjustable speed x two-way grinding, powerful function, adjustable with one key. USB speed control line, 0-20000rpm can be adjusted to the appropriate speed. Size Chart: 20x11.5x5cm/7.87x4.1.973x5inch Package Includes: 1 Piece Grinding Machine 11 Pieces Grinding Head 6 Pieces Grinding Ring Shaft Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!