3200DPI LR GM-02 2nd Gen. 8D 7 Buttons X4 Optical Usb Gaming Mouse with 4 Colors LED Hand Orientation: Both Hands Maximum dpi: 3200 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