Wireless Mouse M325 A wireless mouse that delivers a better mix of precision and comfort—with designed-for-Web scrolling. Wheel for the Web Say good-bye to the tricky touchpad. Micro-precise scrolling makes everything you love to do online easier A comfort to many Treat your hand to the comfy, contoured shape and soft rubber grips of the best-selling shape in the world.* 18 months of fun With up to 18 months of battery life, it’s so hassle free you might just forget it runs on batteries.** * Based on independent sales data (in US$ currency) for CA, US, AU, FR, DE, IT, from September 2008 through August 2010. ** Battery life may vary based on user and computing conditions. System Requirements Windows® XP, Windows Vista® or Windows® 7 Mac OS® X 10.5 or later Linux® kernel 2.6+ USB port Warranty Information 3-year limited hardware warranty Package Contents Mouse Logitech Unifying receiver 1 AA battery (pre-installed) User documentation