Description: Material: ABS Color: Green Collet Chuck Diameter: 0.5-3.2mm Rated Power Input: 10W No-load Speed: 5000-15000 r/min Idling Time: 2 hours Polishing Working Time: Up to 1 hours Output Voltage: 3.7V / 10A Input Voltage: DC 5V USB Package Weight: Approx. 1...