Logitech B100 Optical USB Mouse3 buttons Optical tracking; 800-dpi resolutionThe Logitech B100 Optical USB Mouse comes with the quality and design we’ve built into more than a billion mice, more than any other manufacturer. Left-handed or right, you can work comfortably all day long with this ambidextrous mouse. This USB mouse works with Windows and Mac OS. The scroll wheel speed through long documents or web pages. You’re in control with smooth, responsive optical tracking that moves the cursor just where you want it. In addition, this USB mouse is easy to use. No software needed, you just plug it into your USB port and you’re ready for business.FeaturesComfortable, ambidextrous design 800 dpi optical precisionZero setup and Built by LogitechTechnical Specifications: Corded mouse 3 buttons Optical tracking800-dpi resolution USB connectivity Cable: approximately 5’ 9" or 180 cm Works with Windows XP, Windows Vista and Windows 7System Requirements: Windows-based PC: Windows XP, Windows Vista or Windows 7; USB port Linux-based PC: Linux kernel 2.4+; USB port Mac computer: Mac OS X 10.3.9 or later; USB port