1. High concentration 2. Pen-shaped design 3. Stable motor 4. Powerful 5. Tap switch 6. Type-c charging Three-speed speed and three-speed variable speed adjustment, using different grinding degrees requires Emery grinding head Equipped with 9 grinding heads, suitable for grinding various IC chips, cutting motherboards, brackets, removing screws, etc. Strengthen the fuselage Made of solid steel body, increased counterweight, excellent grip Built-in 280mAh battery Using USB--TYPE-C charging port Faster charging and wider adaptability Battery life can reach more than one hour "If you need use it for a long time, you can connect the power cord to use" use Suitable for a variety of chip IC grinding, motherboard cutting, bracket, screw removal and other applications