For accurate control & precision when it comes to your PC operation try the Microsoft Zone T400 Wireless Optical Touch Mouse. Take control With three zones you can aim your touch to select accurately without any mistakes. The smooth Microsoft T400 Mouse glass touch zone makes scrolling horizontally & vertically effortless. You can operate intuitively with simple finger motion, helping you to select the finer things more easily & accurately. Comfortable & convenient The Microsoft T400 Wireless Mouse ensures that you get the most out of your system & gets you straight to the heart of Windows 8 PC operation. The practical shortcut button will get you to your Win 8 apps in no time at all. The rubber grip is comfortable to use too, ideal if you are at work all day & suffer from RSI. Powered by two AA batteries, the 18 month battery life of the Microsoft Zone T400 Mouse is very impressive & the power indicator will inform you when it needs changing. Intelligent & comfortable computer operation are at the heart of the Microsoft Zone T400 Wireless Optical Touch Mouse.