Number of keys: 6 Tracking system: Optical USB cable length: 1.8m Operating voltage / current: 5V 100mA Key life: 3 million times Roller life: 1.2 million revolutions Resolution: 800-1200-2400-3200DPI 4 DPI adjustable modes, 800 red, 1200 blue, 2400 green, 3200 purple. Press and hold the DPI button for more than 3 seconds to turn off the light. Product size: 134 * 96 * 83mm Packing list:Mouse*1
