Kensington K72392US Black RF Wireless Optical Mouse

Kensington K72392US Black 1 x Wheel RF Wireless Optical Mouse Hand Orientation: Both Hands Resolution (DPI): 1000 dpi Operating System Supported: Mac OS 10.5, Mac OS 10.6, Mac OS 10.7, Mac OS 10.8, Windows 7, Windows 8, Windows 8.1 System Requirement: USB port