Microsoft D66-00051 White/Silver 5 Buttons 1 x Wheel USB or PS/2 Optical Wheel Mouse Optical -50 Pack Hand Orientation: Both Hands Windows Vista: Certified for Windows Vista Operating System Supported: Windows Vista, Windows XP, or Windows 2000 SP4 or higher - USB port System Requirement: 1 PS/2 Port or 1 USB Port; CD-ROM Drive
