The feel-good, reliable mouse that"ll make you forget the touchpad. Mousing just got easier. From surfing the Web to updating your Facebook® account -you"ll be mousing on more surfaces thanks to Logitech® Advanced Optical technology. 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 don"t have to deal with the hassle of frequent battery changes.