A-Jazz 8D SpiderHero 6 Buttons Molten Green LED Optical 800/1200/1600/2400DPI Professional USB MMO Gaming Mouse Hand Orientation: Both Hands Maximum dpi: 2400 dpi Windows Vista: Works with Windows Vista Operating System Supported: Windows 2000/ XP/ Server 2003/ Vista; Mac OS 9.X + Version: Standard Parts: 1 Year Warranty Labor: 1 Year Warranty