Marathon Mouse M705 Power on—a wireless mouse that runs for up to three years on one set of batteries. Super powers Forget the hassle, expense, and waste of frequent battery changes. You’ll have up to three years of power Small wonder Logitech® Unifying receiver—the tiny, wireless receiver that stays in your notebook and lets you add devices as you need them. Plug it. Forget it. Add to it. Learn more about the Logitech Unifying receiver. Scroll with it Hyper-fast scrolling—one spin and you may never go back to an ordinary scroll wheel. System Requirements Windows-based computer Windows® XP, Windows Vista®, or Windows® 7 USB Port CD-ROM Mac® computer Mac® OS X 10.4 or later USB Port CD-ROM Warranty Information 3-year limited hardware warranty Package Contents Logitech® Marathon Mouse M705 Logitech® Unifying receiver Logitech® Mouse & Keyboard Personalizer Software CD Quick-start guide 2 AA Batteries