Logitech G400 Black 8 Buttons 1 x Wheel USB Wired Optical 3600 dpi Gaming Mouse - Blade recast version (MX518 Collector's Edition) Maximum dpi: 3600 dpi Hand Orientation: Right Hand Operating System Supported: Windows XP, Windows Vista or Windows 7 System Requirement: USB port Internet connection for optional software download Package Contents: Mouse User documentation
