CORN Cold Blue LED lights 6 Buttons 1 x Wheel 2.4GHz Wireless 2400 dpi Gaming Mouse With Mute and Power-saving Design Maximum dpi: 2400 dpi Hand Orientation: Right Hand Operating System Supported: Windows XP (SP2 or higher) or Windows Vista or Windows 7 (32-bit or 64-bit) System Requirement: USB port Package Contents: 1 x Mouse, 1 x USB Wireless receiver Parts: Free replacement Labor: Free replacement