Zone touch for smooth scrollingExperience natural, fluid scrolling by simply brushing your finger on the smooth, glass touch zone.One Finger ScrollingBrush your finger from side to side to scroll left or right.Glide one finger up or down to quickly scroll through your Facebook news feeds and long documents.Windows 8 Start ScreenWindows 8 Start Screen buttonYour apps, contacts, calendar and more are just one click away.Comfortable designThe mouse buttons you expectYou’re in comfortable control—the left, middle and right buttons you’re used to are right where you expect them to be.Handles great. Feels even better.Comfortable and familiar shape feels good in your hand, even after hours of useWrap-around textured rubber grip for precision handling and controlLong-lasting powerGet up to 18 months* of power without changingBattery status indicator makes sure you never run out of powerPlug it. Forget it. Add to it.Tiny Unifying receiver stays in your laptop and connects up to six compatible wireless mice and keyboards. Eliminates need to change receivers or sacrifice another USB portDimensions: 104.92*30.45*61mm (4.09*1.19*2.40 in)Weight: 60g (0.13 lb)System SupportWindows 8, Windows RT or Windows 7USB portInternet connection (for software download)Package Contents:Package content1 * Mouse1 * Nano Receiver1 * Instructions