Targus USB Optical Mouse AMU10USZ Attractive ergonomic design, three button mouse, scroll wheel, ambidextrous design to suit both left and right handed users Includes a USB connection; plug and play- no driver required Compatibility Windows 7 32/64-bit, and Vista 32/64-bit System Requirements Windows 2000, XP, Vista, Windows 7, or MAC OS X (10.4 or higher) Weight 3.4 oz