Navigate Windows 8 quicker with the Sculpt Comfort Mouse from Microsoft. Sculpt Comfort features a blue touch tab on its side to help you access your favourite Windows 8 features with ease. Pressing the centre of the tab will switch between your current app and the Start Screen. Swiping up on the tab will enable you to cycle through all of your open apps, while swiping down shows you every open app, so you can select the one you want. The touch tab will help you get things done with ease and speed. Built-in Bluetooth connectivity means your mouse will work with any Bluetooth-enabled PC, without the need for cables or transceivers. BlueTrack technology has been designed to help the Sculpt Comfort work on virtually any surface, without the need for a mouse mat. A right-handed thumb scoop ensures comfort, while a tilt wheel will allow you to quickly and comfortably scroll left, right, up and down. System Requirements Windows: Windows 8, Windows RT, Windows 7. 150 MB Hard Drive Mac: Mac OS X, v10.4x-10.7x 30 MB Hard Drive