MASTER T80 2nd Gen. 5500DPI 8D 7 Buttons Optical Usb Gaming Mouse with 7 Colors LED Hand Orientation: Both Hands Maximum dpi: 5600 dpi Windows Vista: Works with Windows Vista Operating System Supported: Windows 2000/ XP/ Server 2003/ Vista; Mac OS 9.X + System Requirement: USB port Version: Standard Package Contents: 1 x Gaming Mouse Parts: 1 Year Warranty