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Kensington Expert Mouse Pro TB900 EQ: 30-second review
The Kensington Expert Mouse Pro TB900 EQ follows a long line of large-ball control devices that rethink the standard computer mouse entirely. This latest version is a relatively large unit that sits where your mouse would, with a big central trackball with controls neatly arranged around it.
Setup on the Mac took a little longer than expected, requiring a couple of restarts and some security authorisation in System Settings. Everything is guided and reasonably straightforward, and where something did not work first time, a restart sorted it. On Windows 11 it was considerably simpler: install Kensington Konnect and the applications and integration were ready to go.
Once running, you can start customising it per application. I tested both wired and Bluetooth connections, and both were fast and responsive for video and photo editing, as well as for Word and Excel.
Kensington Konnect is where everything happens. You add applications to the list on the right, and the presets for the TB900 EQ swap automatically as those applications come to the front. Switching between Photoshop and Final Cut Pro during this test, I had a different set of presets waiting for each. I could not find any pre-configured application profiles supplied, though this is a pre-release unit and maybe they’ll arrive as downloads later.
In Final Cut Pro, most of the defaults were close to what I wanted. I changed the dial around the main ball to scrub, the lower-left button to blade, and the right button to select. With those three, plus the ball tracking left and right, the four most common movements were all within reach without moving my hand.
The test that convinced me was a head-to-head edit. I edited the same footage once with keyboard and mouse as I normally would, then again using the TB900, and the trackball was quicker despite years of muscle memory pointing the other way.
If you work in the creative sector, or simply find a mouse annoying, this is worth a look. Having used many control boards over the years and trackballs, I am genuinely surprised by how much I like the TB900 EQ and how quickly it improved my video editing.
Kensington Expert Mouse Pro TB900 EQ: Price and availability
- How much does it cost? TBC
- When is it out? Coming soon
- Where can you get it? Directly from Kensington
The Expert Mouse Pro TB900 EQ is at pre-release and not yet available in stores. The previous TB800 EQ is widely available from major retailers and directly from Kensington, so I expect the new TB900 to follow suit.
Kensington Expert Mouse Pro TB900 EQ: Specs
Connectivity: USB-C wired, Bluetooth and 2.4GHz USB dongle
Size: 125 x 165mm, approximately 60mm high with the ball fitted
Weight: Just under 450g
Ball diameter: 55mm, removable
Tracking: Kensington Diamond Eye optical tracking
Controls: Four buttons around the ball, 360-degree scroll ring, two side scroll dials, four top buttons, mode button, three underside toggle switches
OS Installed: Kensington Konnect software, macOS and Windows
Kensington Expert Mouse Pro TB900 EQ: Design
The TB900 is a great-looking device, though far larger than an average mouse, with a desktop footprint of 125 x 165mm and a height of roughly 60mm with the ball fitted. At just under 450g, it is also considerably heavier, which in practice means it stays exactly where you put it rather than wandering across the desk.
The point of the design is that it takes up little room and you never move it. Your cursor travels because the ball turns, not because your hand travels. Around the 55mm ball sit four buttons and a rotating scroll ring. Across the top are four additional buttons and a mode button; on the left are two rotary dials with a connectivity switch and button; and on the right are two quick-access buttons.
Underneath there are three toggle switches that turn off the two side scroll dials and the top button. That makes more sense the more you use it, because those controls are easy to knock accidentally. Moving between Word, Excel, and creative applications, I found myself flicking the side dials off and on, and having physical switches for that rather than a menu is something I really liked.
Build quality is excellent and this review sample is the black-and-grey option, with a matt black body in good-quality plastic and a silver-grey ball that has a satisfying weight.
A red version is also available with a red ball but the same body. It’s also worth noting that while the device is relatively small, there’s no carry case in the box, so if you’re thinking of portability, that is something to consider. Placed into my kit bag, the ball would come loose.
That one oddity to anyone new to the system is that the ball lifts straight out. It’s held only by the cradle’s light grip and its own weight, making it quick to swap in a different-coloured ball, although less well designed for portability as mentioned.
Kensington Expert Mouse Pro TB900 EQ: Features
Compared with a standard mouse, the TB900 EQ is surprisingly feature-packed. Reading the movement of the ball is Kensington’s Diamond Eye optical tracking that moves the cursor across the screen as the 55mm ball is rotated. In use, this instantly feels far more accurate than using a mouse, with plenty of control over interaction speed accessible through the Konnect software. The ball’s own weight also means that it’s smooth to move but feels tactile rather than loose.
Around the ball is a fully adjustable scroll ring with 360-degree rotation, and it is superb for scrubbing through video footage. On the sides sit two customisable scroll dials which, by default, are both set to zoom in whichever application you are in. That proved annoying, and I reassigned them quickly because I kept catching one with my little finger. Likewise for some of the speed settings, the vertical scroll set at slow was actually the perfect balance; however, I did switch off the inertia scroll.
Every button and control is customisable through Konnect, which lets you create presets for each application. For this review, I configured Photoshop, Premiere Pro and Final Cut Pro. Aside from the zoom assignment, the defaults were fine for most productivity work.
Konnect splits into Buttons, Pointer, and Scrolling tabs, with Easy Mode and Advanced Mode, and settings are stored under named profiles. Pointer speed runs on a slider with optional acceleration, and a custom speed can be bound to modifier keys so a Cmd or Shift press temporarily changes tracking speed.
Alongside the dials, the buttons around the ball take what is possible on a standard mouse a good deal further. At the same time, there are plenty of mice with multiple buttons and customisation software. It’s only when you start using a trackball like this that you realise how much more intuitive the arrangement is, particularly for creative work.
Kensington Expert Mouse Pro TB900 EQ: Performance
I tested the TB900 EQ on both macOS and Windows 11. The majority of the work was done on a MacBook Pro M1 Max, with part of the test carried out on an ASUS ProArt desktop to similar effect. Installation on the Windows machine was extremely straightforward: install Konnect, and the applications and integration were set and ready.
On the Mac it was more involved. Security authorisation is needed from within System Settings. While the setup process opens the relevant window directly rather than leaving you hunting for the toggle switches, I still hit a few connectivity issues. These were resolved with a restart of the machine, after which everything was resolved, and every connection after that initial setup was instant, with my configured presets remaining intact.
What struck me when I started was how intuitive the trackball felt. A dip into Konnect to reduce sensitivity, so the cursor was less jittery, showed how much more control you have than with a mouse. I found that resting two fingers on the ball gave the greatest control for the cursor with my thumb on the dial.
It also didn’t take long for the ball and surrounding buttons to feel natural, essentially mimicking a mouse layout. Once normal operation was established, I then moved on to per-application customisation, starting with Final Cut Pro, then Photoshop, and finally Premiere Pro.
What I was keen to address is the problem with any video edit of scrubbing control with a mouse. Essentially, scrubbing through footage both quickly and accurately to find the exact frame where an edit is needed. With the use of the ball, this all changes and what I liked here was that the four buttons around the ball and the scroll ring let me assign all the most common functions.
The ball itself scrubs the timeline. The scroll ring around it handles precise scrubbing, one frame at a time. The left button selects, the right blades, and the two top buttons move to the previous and next cut. All of it is assigned through Konnect.
Once those basics were set, everything else fell into line. After about five minutes of editing, it was clearly faster than the mouse-and-keyboard setup I am used to, and it felt far more like being back in an edit suite than at a desk.
The comparison I ran was a straight head-to-head. Stating a three-minute edit with the keyboard and mouse took around 20 minutes, consisting of a soundtrack edit then B-Roll. I then took a look at another similar video and repeated the process, and the second edit took around 15 minutes with a definite speed increase due to the button layout.
What really made the difference was the precision, being able to assign the dial around the ball to scrub, so a quick spin would speed through the footage while a smaller turn would go frame-by-frame, giving absolute control
Moving to Word, I assigned the features I use most to the buttons, with the scroll ring handling accurate movement through the text. Having the control dial skip a line at a time, with the left button for selection, again felt more intuitive than mouse and keyboard.
The TB900 however does not work in isolation. I still use the keyboard for typing and for shortcuts, but I was able to move far more of the control function away from the mouse and onto the trackball. Individually, those are a couple of seconds in savings. Over a half-day, edits add up to a considerable difference.
Kensington Expert Mouse Pro TB900 EQ: Final verdict
Thinking about who this is for, office workers get the simplest benefit: quick navigation around the screen without the faff of moving a mouse across the desk. The trackball stays fixed and close, so you never need to clear a path for it.
Then there is the customisation. Once you start assigning buttons to different applications and functions, and spend serious time in a piece of software, it is not difficult to tune it to exactly what you need.
Where it really comes into its own is the creative sector. The analogue feel of the two side dials and the main ring around the ball makes a genuine difference, and the texture and weight of the ball add a lot when working with creative media, giving fine and precise control. That is the real difference between this and a mouse: you feel fully in control of both cursor navigation and the edits you are applying.
It does take a little time to bed in and to get the right customisation assigned. Once you do, this is as close to a perfect trackball design as I have come across, especially when working across several applications rather than treating it as a dedicated video controller.
If, like me, you are not that keen on a mouse and often fall back to a trackpad instead, the Expert Mouse Pro TB900 EQ will be a pleasant surprise. And if you have tried trackballs before and struggled to get your head around them, my experience across this review is that this one is quick and easy to pick up.
Should I buy a Kensington Expert Mouse Pro TB900 EQ?
|
Value |
If priced along the same lines as the previous version then this again should be great value, but I’ll update when the official price is confirmed |
/ |
|
Design |
Excellent build and weight, ergonomic control layout, but unfortunately no carry case |
4.5/5 |
|
Features |
Fully customisable per-application track ball and button assignment through Konnect |
4.5/5 |
|
Performance |
Easy to use becoming faster than mouse and keyboard within minutes, minor Mac setup friction |
4.5/5 |
|
Overall |
Absolutely outstanding, easy to use and far more intuative than using a mouse, especially for creative applications and video editing. |
4.5/5 |
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