Kensington Expert Mouse Pro Wireless Trackball with 6 Direct Web Buttons. THE premier mouse, with a wireless connection. Clear up some of the clutter on your desktop! Six Direct Launch Buttons give access to Web sites of your choice or your favorite applications, plus four programmable mouse buttons to streamline frequent tasks. There's even a scroll wheel to help you zip through documents and web pages. This is a great mouse for designers or gamers, or anyone who spends a lot of time on the computer - and it's designed for left or right hand use. The large ball and ergonomic design combine with a bonus wrist rest that positions your hand properly to ensure hours of comfortable use. ... Less

Kensington 72337 [ KMW72337 ]: Orbit Trackball with Scroll Ring, Two Buttons, Black. Quickly & easily navigate through web pages & documents with this trackball that features a scroll ring. Ambidextrous design delivers all-day comfort to either hand. Optical technology provides you with precise tracking. Customize buttons with TrackballWorks ™ software. Connector / Port / Interface: USB; Left / Right Hand Use: Left / Right; Mouse Technology: Trackball; Wired / Wireless: Wired. .. KMW72337 or KMW-72337

The best trackball ever made has just gotten better. Designed for PCs and Macs the new Expert Mouse employs Kensington s DiamondEye optical technology for smooth precise cursor movement. Surrounding the ball we have a brand new implementation of our award winning Scroll Ring that puts scrolling right at your fingertips. More comfortable than ever the Expert Mouse even comes with a soft new wrist rest-right in the box! You get all of these great new features along with the same large ball exceptional control and ease-of-use that has set the industry standard for more than 15 years. DiamondEye Optical tracking for superior accuracy. Award-winning Scroll Ring for precise fingertip scrolling. Exceptional comfort for ultimate productivity. Large ball for maximum precision and control... Less

Designed for PCS and Mac's, the new Expert Mouse employs Kensington's Diamond Eye Optical technology for smooth, precise cursor movement.

All-day comfort from a world leader in trackball innovation. Scroll ring allows fast easy scrolling of web pages and documents. Uses far less desk space than a mouse. Optical technology for precise tracking - no cleaning required. Ambidextrous design for left or right handed users. Click-free scrolling. USB connectivity. PC and Mac compatible. Compatible with Windows7 Windows XP Windows Vista and Mac OS X. Dimensions: 5.5 L x 2.0 H x 4.5 W.

Slim low-profile trackball provides all-day comfort while the advanced dual laser sensors and large ball deliver exceptional precision. The four adjustable buttons can be set to the function or keyboard shortcut you use most with Kensington TrackballWorks software. Choose navigation mode to control cursor and scrolling. Media mode controls volume play/pause stop and track forward/backward while view mode zooms in/out and pans. Trackball is compatible with Windows 7 Windows XP Windows Vista and Mac OS X.

Kensington 72327 SlimBlade Trackball, Graphite Case, Ruby Red Trackball Trackball features navigation, media and view modes. Control multiple computer functions. Navigation, media and view modes. Low-profile shape. Space-saving design. - Mice & Keyboards

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 Scroll Wheel, Includes Software

Kensington 72327 SlimBlade Trackball, Graphite with Ruby Red Trackball Trackball features navigation, media and view modes.Control multiple computer functions. Navigation, media and view modes.Low-profile shape.Space-saving design. - Mice & Keyboards

Kensington 72354 [ KMW72354 ]: Pro Fit Wireless Mid-Size Mouse, 2.4GHz, Black. Get your work done comfortably with this mid-size mouse. Reliable wireless frequency ensures less interference, even in crowded offices. Easily navigate through larger documents with the convenient forward & back buttons. USB wireless receiver delivers instant plug & play use. Durable enough to withstand drops & spills. Connector / Port / Interface: USB; Left / Right Hand Use: Left / Right; Mouse Technology: Optical; Wired / Wireless: Wireless. .. KMW72354 or KMW-72354