Run for yearsThree-year battery life - Battery life may vary depending on your use.- Hyper-fast scrolling- Designed for control- Logitech® Unifying receiver- Laser trackingWindows-based PC- Windows® XP, Windows Vista® or Windows® 7- USB port- Mac® computer- Mac OS® X 10.4 or later- USB portLogitech® Wireless Mouse M705 lets you power on… and on. It uses far less powerthan comparable wireless mice from other companies, so you’ll go up to threefull years between battery changes*. And it uses a tiny wireless receiver that staysplugged in to your computer, so your mouse is ready to go – whenever, whereverand for as long as it takes. Plus, hyper-fast scrolling means you’ll fly through longdocuments to find what you need in a flash. Laser tracking means you’ll get smooth,responsive cursor control. And the sculpted, right-hand shape means you’ll be ascomfortable finishing up as you were getting started.