Kensington 64327 [ KMW64327 ]: Optical Orbit Trackball Mouse, Two-Button, Black / Silver. Control your cursor with a simple touch of the finger. Uses less arm movement & desk space than a conventional mouse. Features Diamond Eye ® optical technology for precise tracking. Resistant to dust, reducing the need for regular trackball cleaning. Connector / Port / Interface: PS2; USB; Left / Right Hand Use: Left / Right; Mouse Technology: Optical; Trackball; Wired / Wireless: Wired. .. KMW64327 or KMW-64327

Kensington Orbit Optical Trackball

Left handed? Right handed? When you're working on your computer day and night, and you want more flexibility, the Logitech Trackman Marble will help increase your comfort level. You’ll enjoy all-day comfort with this ambidextrous trackball and its convenient button controls.

The new Adesso optical trackball is ergonomically designed featuring a scrolling wheel and a large detachable ball. It is incredibly dependable as well as fortable for most business recreational or design applications. The large optical trackball eliminates the need for a mouse and saves valuable desk space. With its 800 DPI resolution the optical trackball provides superior accuracy and smooth motion requiring minimal hand movement and virtually no maintenance. The trackball is ergonomically contoured and fits fortably to a your palm.Primary InformationInput Device Type :  Mouse Con nectivity Technology :  Wir ed Buttons Qty :  2 Movement Resolution :  800 dpi Dimensions&Mi scellaneousWidth  :  6.00 Inch Depth :  3.4 0 Inch Height :  2. 00 Inch System InformationSystem ... Less

The best trackball ever made has just gotten better. Designed for PCs and Mac s the new Expert Mouse employs Kensington s Diamond Eye 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. Type: Trackball. Connectivity Technology: Cable. Operating Distance: 6ft (Cable). Movement Detection: Optical. Interfaces/Ports: 1 x 4-pin Type A Male USB. Platform Support: PC. Dimensions: 2.5 H x 5 W x 5.75... Less

Works with left and right handers. Great for those with wrist problems. Compact design - only needs its footprint space to work.

Foam mouse pad works with both optical and standard trackball mice. Nonskid base keeps pad in place. Mouse pad features an image of a tropical island sunrise.

Logitech 904369-0403 [ LOG9043690403 ]: Optical TrackMan Cordless Mouse, 6-Button / Scroll, Programmable, Black / Silver. Experience trackball precision without the cords. Optical Marble ® technology tracks smoothly & is virtually maintenance free. WebWhee ™ software along with forward & back buttons take the effort out of Web & document browsing. Features scroll wheel & customizable buttons that allow you to personalize your controls for increased productivity. Digital radio technology requires no line of sight for true cordless freedom. Innovative extras include exclusive cruise control & smart power management providing over six months of battery life. Connector / Port / Interface: PS / 2; USB; Left / Right Hand Use: Right; Mouse Technology: Optical; Trackball; Wired / Wireless:... Less

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 of web pages and documents. Compact design uses far less desk space than a mouse. Ambidextrous trackball is designed for left-handed or right-handed users. Trackball offers USB connectivity and is compatible with Windows 7 Windows XP Windows Vista and Mac OS X.

Universal External Battery for SONY, PANASONIC, TOSHIBA, ACER, FUJITSU, IBM, DELL, HP/COMPAQ laptop Brand New Optical Scroll Wheel 3D USB Mice Mouse for PC Laptop Ergonomic designed, suitable for left or right hand. 800 dpi for accurate control, move quickly, accurately and smoothly without hesitation. Optical scanning on almost all surfaces, perform well on the most surfaces or without mouse pad. The roll wheel can be easily guided pleasantly and used as the third usable key. Specifications: Compatible with USB 2.0 & USB 1.1 Work with: Windows98 SE/ ME/ 2000/ XP / VISTA Supports 64-bit, 128-bit WEP (Wired Equivalent Privacy); WPA (Wi-Fi Protected Access) and WPA2 data security Color: Black Size: 95 * 55 * 34 mm Cable length:135cm (approx.) Package Content: 1 x USB Optical Scroll Wheel... Less