Laser Technology / Wireless Connection / Ergonomic Design / Can be used in either the right or left hand / Tilt Wheel / Magnifier Button # As a Computer navigation tool, the Mouse has no peer in its simplicity and ease-of-use, but no matter how good something is, there's always room for improvement. Lasers, rather than a physical ball or optics, achieves pinpoint accuracy, giving you the finesse you need in fast-paced gaming, detailed photo manipulation and more. The scroll wheel has a tilt feature to make side-to-side scrolling just as easy as standard vertical scrolling. To read the fine print and see the intricacies of a Digital photo, the Magnifier button is incredibly useful, acting like a magnifying glass held up to your monitor. Ergonomic & Ambidextrous Design - fits comfortably in either your right or left hand # Wireless Technology # Certified for Windows Vista # Tilt Scroll Wheel # Magnifier Button # 5 Customizable Buttons # PC & Mac Compatible # PC Operating system Requirements: Windows Vista, Windows XP, or Windows 2000 SP4 or higher # Mac Operating System Requirements: Mac OS X v10.2-10.4.x (excluding Mac OS X v10.0-10.1) # Requires a USB port for wireless transmitter