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USB Symmetrical Design Uses Less Desk Space than a Mouse Scroll Ring Optical T... USB Symmetrical Design Uses Less Desk Space than a Mouse Scroll Ring Optical Tracking Technology Click-Free Scrolling Mac & Windows Compatibility more

Enhance tracking accuracy and with this Kensington Expert wireless trackball m... Enhance tracking accuracy and with this Kensington Expert wireless trackball mouse. Experience precise cursor control and lasting ergonomic comfort with this Expert wireless trackball mouse. Featuring a large spherical trackball and DiamondEye tracking... more

Expert Mouse Wireless TrackballThe Expert Mouse Wireless Trackball gives you t... Expert Mouse Wireless TrackballThe Expert Mouse Wireless Trackball gives you the freedom to be hyper-productive without being limited by a USB cable. The trackball can be paired through Bluetooth 4.0 LE to save a valuable USB port or connected via USB... more

Trackball Mouse, Corded, Optical, Number of Buttons 4, Black, Connector Type U... Trackball Mouse, Corded, Optical, Number of Buttons 4, Black, Connector Type USB/PS2, Compatible With PC/MAC(R), Height 9 3/4 in, Length 9 3/4 in, Width 3 1/2 in, Features 4 Button, Scroll Wheel, Includes Software more

Free Shipping! Kensington Orbit Trackball with Scroll Ring (White, Sustainable... Free Shipping! Kensington Orbit Trackball with Scroll Ring (White, Sustainable Packaging) Wired USB-A Connection, Optical Sensor, Two Programmable Buttons, 40mm Trackball, Scroll Ring, Ambidextrous Design, Compatible with Windows, Mac & Chrome more

Free Express Shipping! Kensington Orbit Wireless Mobile Trackball Mouse Mouse ... Free Express Shipping! Kensington Orbit Wireless Mobile Trackball Mouse Mouse Works Wirelessly Via USB Receiver, Unique Center-Ball Design, Touch-Scrolling for Fluidly Working, TrackballWorks Software Included, Windows and Mac Compatible more

Free Express Shipping! Kensington Expert Mouse Wireless Trackball Bluetooth 4.... Free Express Shipping! Kensington Expert Mouse Wireless Trackball Bluetooth 4.0 Smart and 2.4 GHz Wireless, USB Nano Receiver, DiamondEye Optical Tracking, Customizable Buttons, Ambidextrous Design, Scroll Ring Navigation, Detachable Wrist Rest, 2 x AA... more

If you re looking for a simple way to transition from a mouse to a trackball t... If you re looking for a simple way to transition from a mouse to a trackball trust the Orbit Optical Trackball. It offers better ergonomics with less wrist and hand movement to ease repetitive-stress injuries. Optical tracking technology delivers... more

Orbit trackball with scroll ring features optical technology that delivers pre... Orbit trackball with scroll ring features optical technology that delivers precise cursor control with the touch of a finger. The two-button design provides an interface that s familiar to mouse users. Scroll ring allows fast easy click-free scrolling... more

All-day comfort and scrolling come together in the Orbit Trackball with Scroll... All-day comfort and scrolling come together in the Orbit Trackball with Scroll Ring. Award-winning Scroll Ring lets you scan up and down pages with ease. Medium 40 mm ball is designed as a perfect sphere to provide exceptional precision.... more

If you re looking for a simple way to transition from a mouse to a trackball t... If you re looking for a simple way to transition from a mouse to a trackball trust the Orbit Optical Trackball. It offers better ergonomics with less wrist and hand movement to ease repetitive-stress injuries. Optical tracking technology delivers... more

Optical tracking for superior cursor control | Unique touch scrolling — simp... Optical tracking for superior cursor control | Unique touch scrolling — simply slide your finger around the outer ring of the trackball for effortless scrolling through web pages and long documents | Free downloadable KensingtonWorks software... more

Kensington Expert Mouse Trackball - USB w/PS2 Adapter DiamondEye optical track... Kensington Expert Mouse Trackball - USB w/PS2 Adapter DiamondEye optical tracking for superior accuracyAward-winning Scroll Ring large ball and detachable wrist rest provide exceptional comfort and ultimate productivityTrackballWorks software... more

Wireless Mobile Trackball offers a precise compact and versatile experience wi... Wireless Mobile Trackball offers a precise compact and versatile experience with a centered-ball design. With no wires to tie you down the 2.4 GHz wireless with storable nano receiver works wherever you do - at your home or office. Unique touch... more

Navigate with greater comfort and precision while saving valuable desktop spac... Navigate with greater comfort and precision while saving valuable desktop space with the Orbit Optical Trackball. Its optical technology delivers precise cursor control with the touch of a finger while the two-button design provides an interface that s... more

All-day comfort and scrolling come together in the Orbit Trackball with Scroll... All-day comfort and scrolling come together in the Orbit Trackball with Scroll Ring. The award-winning scroll ring allows you to spin through web pages and long documents without the need for clicking so you can scan up and down pages with ease. It... more

Features | Wired + Wireless Triple Connection Capability Includes choice of Bl... Features | Wired + Wireless Triple Connection Capability Includes choice of Bluetooth 2.4GH z wireless and wired connection options for maximum flexibility. Rechargeable Battery Provides 4 months of battery life with single charge via USB port.... more

All-day comfort and scrolling come together in the Orbit Trackball with Scroll... All-day comfort and scrolling come together in the Orbit Trackball with Scroll Ring. Award-winning Scroll Ring lets you scan up and down pages with ease. Medium 40 mm ball is designed as a perfect sphere to provide exceptional precision.... more

Customizable 2-Button design via Trackball Works software Compatible with all ... Customizable 2-Button design via Trackball Works software Compatible with all versions of Windows and Mac OS Orbit Optical Trackball Mouse Comfortable for left or right-handed users more

Free Shipping! Kensington Orbit Trackball with Scroll Ring (Space Gray) USB Ty... Free Shipping! Kensington Orbit Trackball with Scroll Ring (Space Gray) USB Type-A Connection, Optical Tracking Technology, Ambidextrous Design, Scroll Ring, 40mm Trackball, TrackballWorks Software, Plug-and-Play, Compatible with Windows, ChromeOS, Mac more