![]() The RollerMouse Pro gets high marks for an innovative design. That said, it certainly doesn't pay to be a cheapskate if using your computer is literally a pain. The company does sell an add-on called the RollerWave ($39.95) that expands the wrist rest surface, but after paying $200 for the RollerMouse, that seems a bit like adding insult to injury. Ironically, I didn't find the gel pads on the RollerMouse Pro particularly comfortable. It performed better than I expected, on par with a "regular" mouse. To test the RollerMouse Pro's "fine motor skills" I fired up an image-editing program and touched up a few photos. To speed up the adjustment, I eventually had to go cold turkey and hide my Bluetooth mouse to keep from grabbing it when the RollerMouse felt difficult or slow to use. There's also the mental effort of trying to remember not to reach over for a mouse or deciding which hand or fingers to use on the RollerMouse. While I could control the scroll bar with my thumbs when I was typing, I still had to move a hand off the keyboard to click or use the scroll wheel, albeit a shorter distance. Even though there's no reaching for a mouse and your hands remain close to the keyboard, I still found myself slowed down. Web browsing with the RollerMouse Pro was zippy, but typing was another matter. While you can change the cursor speed using your operating system's mouse control panel, I didn't find it was necessary. Using a feature called "end detection," you can easily reposition the cursor by simply pushing the bar left or right until it clicks. A tension-control knob located under the unit adjusts the amount of pressure needed to click. Depressing slightly on the bar produces a left click. It quickly and smoothly rolled up and down as well as left and right. Once I got the hang of the scroll bar, I had to give it two thumbs up for one-handed control of the cursor. The oversized buttons handle left and right clicks and auto-scroll.
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