I’ve seem some negative reviews about the scrolling, and reading them feels like the reviewers didn’t spend much time to really test it. I just now unboxed it, made sure the battery was fully charged (it was) and paired it via bluetooth with one of my laptops. Also, instead of having a ring around the trackball that acts as a scroll wheel, you twist the trackball clockwise or counter-clockwise to scroll.

It also has three CPI presets, six additional buttons, and a conventional scroll wheel with L/R tilt inputs. If you press near the bottom, where you need the most force, you can feel the plastic bend a bit under your finger. The J-Tech Digital V628X and the Kensington SlimBlade Trackball are two very different mice, but they're both designed for office and productivity use. While the look is sleek and professional, fingerprints tend to collect and show up easily on the plastic shell.It only doesn’t get 5 stars because the twist scrolling, however unique and cool, is not always perfect. In lieu of a scroll wheel, you can simply twist the trackball to scroll up and down in documents and webpages.

Its low profile and slim design allow your wrist to rest directly on the surface you're working on for better support. A downside of the ball being loose like this, is that if you move your device a lot (to another room or desk, or if you are travelling) the ball will be able to fall out. Reddit and its partners use cookies and similar technologies to provide you with a better experience. The extra comforts in the SlimBlade Pro keep the venerable trackball from feeling too outdated, but there's more work to be done.Then in 2016, I switched to a CST2545 trackball which has a glowing blue ball and a great scroll-wheel and together with a wireless Expert, the CST became my daily workhorse.