Mousing just got easier From surfing the Web to updating your Facebook yoursquoll be mousing on more surfaces thanks to Logitech Advanced Optical. Reliable wireless No delays, dropouts or hassles. The plug-and-forget nano-receiver keeps you connected with reliable 2.4 GHz wireless. All-year power pack With 12 months of battery life, you donrsquot have to deal with the hassle of frequent battery changes. Key Features: Logitech Advanced Optical Tracking Enjoy precise clicking and pointing on surfaces other optical mice canrsquot handle while navigating your favorite websites thanks to Logitech Advanced Optical Tracking. Logitech Advanced 2.4 GHz wireless connectivity You get the reliability of a cord with wireless convenience and freedom fast data transmission and virtually no delays or dropouts. 1-year battery life You can go for a year without battery hassles. An On/Off switch and smart sleep mode extend battery life, while an indicator light eliminates surprises. Plug-and-forget nano-receiver So small and unobtrusive, you can plug it into a USB port and forget about it. Plus, you can say good-bye to worries about broken or lost receivers. Compact comfort Yoursquoll enjoy more comfort and ease thanks to this compact mouses hand-friendly, contoured design with soft rubber grips and a smooth scroll wheel. Logitech reliability You get the high quality and reliability that have made Logitech the global leader for mice plus a three-year limited hardware warranty. Perfect for laptops and netbooks Your mouse works with Windows, Mac and Linux. No matter what type of computer you own today or buy tomorrow you can depend on your mouse to work like you expect.