Gaming Mouse, YAMAY&reg; USB Corded Wired Optical 3D 1000 / 1200 / 1600 DPI Adjustable 0.8mm with Blue LED Light Anti-Slip Built in weighting Iron Professional for Computer Laptop PC Gamer Black DPI: 1000-1200-1600; Lifetime: 5 million Times Opearation. System Requirements: Windows 2000/XP(SP2-SP3)/Vista/MAC/Linux/Windows7, Windows 8, and a Unappropriated USB Port Built in aggravating iron, can effectively avoid the drift when the mouse moves, positioned more precise. More precise, more extensive surface ability to adapt to a variety of surfaces, easy operation and control. Big Tooth 3D wheel Design for the gamer or officer, finger touch is clear and comfortable, Strong sense of scale.