Features: -It has a built-in 2000mAh battery and can be used as a power bank with super long battery life. -Can be forward and reverse rotation, applicable to different sanding place. -High-speed motor brings strong power, adjustable speed from 0-45000 rpm. -With LCD display, it can display power, speed, direction, easy to operate. -Equipped with 6 different grinding heads, suitable for nail care, nail removal, dead skin removal, callus grinding, etc. How to use: 1. Fully charged before use, selet 5V/2A adapter; 2. Connect the device and pen, select the appropriate grinding head; 3. Adjustable speed, 1-45000rpm; 4. Start the power supply; 5. The device can be used as a mobile power supply. .
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