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Large 55mm ball design and Diamond Eye optical tracking for precise cursor control Patented scroll ring lets you scan up and down pages with easeDetachable, ergonomic wrist rest supports hand and wrist for improved comfort Ambidextrous designCustomizable 4button design, scroll speed and cursor speed via KensingtonKonnect software. Windows ARMbased computers are currently not supportedConnects wirelessly via builtin Bluetooth LE or with the USB dongle using 2.4Ghz wireless Autosleep helps conserve battery life Bluetooth connectivity works best for PC Windows 8.1 or later and Mac OS X 10.8 or later USB dongle connectivity is recommended for Windows 7 or laterPower saving mode puts mouse to sleep when not in use power settings can be updated in the Kensington Konnect software. Powered by 2 x AA batteries includedCompatible with Windows, macOS 10.14 and later, and Chrome OS 44 and later Linux is not supported Trackball dimensions 3.5 x 6.1 x 8 3 year coverage and lifetime technical supportCompatible with Windows, macOS 10.14 and later, and Chrome OS 44 and later Linux is not supported Trackball dimensions 3.5 x 6.1 x 8 3 year coverage and lifetime technical support MORE DETAILS additionalfeatures Ergonomic Design, Touch Scroll, Wireless antennalocation Office asin B01936N73I bestsellersrank 2 in Computer Trackballs brand Kensington buttonquantity 4 color Black compatibledevices Laptop, Personal Computer, Surface Pro 1st Edition 12 and Surface Laptop 1st Edition 13, Tablet connectivitytechnology USB customerreviews 4.2 4.2 out of 5 stars 5,428 4.2 out of 5 stars embellishmentfeature Crystal enclosurematerial Plastic eusparepartavailabilityduration 3 years finish Smooth Plastic globaltradeidentificationnumber 00085896723592, 07802880611214 handorientation Ambidextrous hardwareplatform PC,MAC includedcomponents TrackballWrist RestDongleBatteries 2Quick Installation GuideWarranty Insert itemdimensionslxw 8L x 6.1W itemtypename Trackball itemweight 1.4 pounds manufacturer Kensington mfrpartnumber K72359WW minimumrequiredoperatingsystemversion Windows 7 modelname Expert Mouse modelnumber K72359WW movementdetection Optical numberofbatteries 1 A batteries required. included operatingsystem Chrome, Mac, Windows pattern Mouse powersource Battery Powered range feet stylename Wireless theme Computer unitcount 1 Count upc 085896723592 warrantydescription 3 years parts labor
