Specification&Features：Output Voltage: DC5V 2ASpeed: 0-23000 rpmProduct Dimensions: 19 * 128mmNet weight: 60gProduct weight (with packaging): 250gPACKAGING LIST?1 * Nail drill1 * USB power cable1 * Ceramic Corn Bit1 * Grinding Head Kit (6pcs)1 * polishing head kit (5pcs)56 * Sanding bandsTips for installing drills ：Precautions:1. Unplug the power cord after use, save the accessories, and replace them.2. If you need to change the grinding head, please disconnect the power first. Remove the original grinding head and replace the selected one.3. When inserting the bit, be sure to leave some room to prevent the machine from jamming.What’re its key Features?1. HIGHEST SPEED AT 23,000RPM: Compared with traditional 5V motor at 20,000RPM, this nail polisher uses 12V motor at 23,000RPM, which is more powerful and faster when working. polishing the nail surface.2. Unique Ceramic Corn Wick: The additional ceramic corn wick is made of harder and lighter ceramic materials, with a grainy surface, which can increase friction during grinding and improve efficiency.3. Stylish Appearance Design: The machine body is pencil-shaped and easy to hold. The overall color scheme is dominated by a muted Rose Gold/muted dark gray, with a bright purple as an embellishment, which is impressive.