YAMAY Gaming Mouse, USB Corded Mouse Wired Optical 6D 6 Button 800/1200/1600/2400 DPI 0.8mm with BlueLed Light Anti-Slip Built in weighting Iron Professional for Computer Laptop PC Gamer Black DPI: 800/1200/1600/2400DPI;( 4 Speed ) Item Color: Black; Lighting Color: Colorful. 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.