Kensington SlimBlade™ Trackball, Ambidextrous, Optical, USB Type-A, Black Kensington SlimBlade™ Trackball. Form factor: Ambidextrous. Movement detection technology: Optical, Device interface: USB Type-A, Buttons type: Pressed buttons, Scroll type: Ball. Product color: Black https://arstechnica.com/gadgets/2010/09/hands-on-kensington-slimblade-trackball/ The venerable Kensington Expert Mouse is arguably one of the best trackball input devices for desktop computing. Among trackball enthusiasts, it practically has a cult following. Its successor, the Kensington Slimblade, was launched in 2008, but init... At first glance the unit looks like quite a chunky device with a fairly large base and a big ball dropped into the centre, hardly living up to its name, but because it doesn't move around it still takes up less of your overall desk space than a mouse... A solid device that's easy to use once you get the hang of it. The inability to customise any of the buttons is a major drawback. Large trackballs to steer your mouse around the screen are nothing new - we reviewed Kensington's Expert Mouse a few months ago - but Kensington's latest design adds design elements from its innovative SlimBlade wireless mouse, in the process creating... Silky smooth cursor-racing operation, coupled with some good integration with a number of common programs, make the Kensington SlimBlade Trackball a winner. We only wish its extra View mode functionality would work with all apps, but this doesn’t stop... Soft curves look right at home next to your Mac.As a piece of hardware, the SlimBlade Trackball is nearly perfect. All of its modern curves lead to the red orb in the middle, making it comfortable and functional. Giant click and Control-click (aka left... Smooth ball skates the pointer across big desktops. Comfortable design with big buttons. Intuitive twist-to-scroll system. Controls iTunes in the background. View mode glides through long Web pages. Software lacks any customization. Can’t use twists to shuttle in timelinebased software. The lack of button customization and kludgy software is a bummer, but the trackball itself is a marvel of usability and smart design.SlimBlade Trackball ... Trackballs have been around for awhile, and even though they have the history, they dont seem to have the demand that other peripherals gather. Everyone can use a normal 2 button, but to utilize the mighty trackball takes patience and some learning.... Quality design & aesthetics, Smooth scrolling, Some media / application support Noncustomizable button programming, Larger footprint than other trackballs, Relatively expensive https://www.macworld.com/article/1140236/kensingtrackball.html by Dan Frakes, Macworld.com While desktop trackballs may seem old school, they’re still quite popular—a number of Macworld editors currently use Kensington’s Expert Mouse as their regular input device. The stationary nature of a desktop trackball lets ... Large, comfortable trackball; stationary design; large, easy-to-press buttons; unique rotating-ball feature; Cursor, Media, and View modes. Trackball feels sluggish; rotating-ball feature less convenient for scrolling than a traditional scroll wheel (or the scroll ring used on Kensington’s Expert Mouse); buttons not customizable; expensive. As a cursor-controlling device, the SlimBlade Trackball’s scrolling mechanism is a bit of a step backwards from Kensington’s previous trackball model, and the lack of customizable buttons will turn off many veteran trackball users. On the othe... https://www.cnet.com/reviews/kensington-72327-slimblade-trackball-review/ While mainstream users have long since traded the trackball for standard move-and-click mice, it still remains a viable option for computer jockeys who suffer from carpal tunnel or other physical ailments. Whereas standard mice force your wrist and for... Comfortable for those physically unable to use a standard mouse; heads-up display conveniently shows the current mode. Toggling between three modes complicates work flow; expensive; lacks Bluetooth; cant customize buttons or alter trackball sensitivity; large footprint. Kensington resurrects a dying breed with the SlimBlade Trackball, but the potential of its unique shortcut buttons devolves into a mess of clumsy extra functions and awkward movements that restrict productivity. http://www.mymac.com/2009/03/ Kensington SlimBlade trackball, I jumped at the chance. Eons ago, back in the mid to late 80s, I owned and loved one of the earliest Kensington ADB trackballs. It finally was put out to pasture when Apple discontinued the Apple Desktop Bus, but I got...