A4Tech A90 Gaming Mouse - Black/Red

Click Response Less 0.2 ms\n\nWithout any traditional metal bouncing noise. Performs extreme 0.2ms light speed response with over 20 million clicks lifespan!\n\nInfrared-Wheel\n\nInfrared-Wheel can turn millions of times in its lifespan, and be actuated with the exact same precision as a mouse button.\n\n3 Shooting Modes in Left Button\n\nUse "1, N, 3" keys to shift 3 shooting modes and boost up firepower instantly.\n\n4000 CPI\n\nAdjustable resolution 800/1000/1200/1600/4000 CPI.\n\n6 Sniper Modes\n\nInstant upgrade sniping techniques by applying 6 powerful sniping modes.\n\nNo Double-Click\n\nThe output is zero-bouncing, improves metal switch double-click issue.\n\nMetal X'Glide Armor Boot\n\nArmor Boot eliminate friction on nearly any surface for smoother motions, precise cursor movements and improved accuracy.\n\n16-Grade Calibration Tech\n\nFine-tune the focus to improve tracking.\n\nOptimal MMO (Ultra Core 4 & Macros)\n\nSimplified complex actions with just one click.