Customer Review

Reviewed in the United States on January 31, 2017
I've been using this type of trackball for more than 15 years, starting with the original mechanical TrackMan, TrackMan Marble, and the TrackMan Wheel. I have a couple of M570s that I use with laptops, but they are not the best for a stationary workstation and they are not as smooth as the old TrackMan even after years of use. I get RSI in my wrist when using a mouse for more than an hour or two. These have always worked great.

I had high hopes for this trackball, but I went back to my TrackMan Wheel after a day or two. The main issue for me is that it is just too small for my hand. If it was about 10% larger it would fill my hand more like the TrackMan Wheel does. The button spacing is also a bit tight. That said, the overall hand posture is right for me and the track ball is nice and smooth. I also really like the feel of the scroll wheel: it is much better than any of the Logitech scroll wheels. I use it mainly with Linux and don't bother mapping any of the extra functions. My KVM also does not like it at all, but that it also the case with other fancy gaming mice.

All that said, I am using it now after my TrackMan Wheel started acting up. After a week or two, I was able to get used to the small size. This would be a great track ball if it were a bit bigger. In the picture, the front of each are lined up to show the difference in size.
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3.0 out of 5 stars Would be great if it were a bit bigger.
Reviewed in the United States on January 31, 2017
I've been using this type of trackball for more than 15 years, starting with the original mechanical TrackMan, TrackMan Marble, and the TrackMan Wheel. I have a couple of M570s that I use with laptops, but they are not the best for a stationary workstation and they are not as smooth as the old TrackMan even after years of use. I get RSI in my wrist when using a mouse for more than an hour or two. These have always worked great.

I had high hopes for this trackball, but I went back to my TrackMan Wheel after a day or two. The main issue for me is that it is just too small for my hand. If it was about 10% larger it would fill my hand more like the TrackMan Wheel does. The button spacing is also a bit tight. That said, the overall hand posture is right for me and the track ball is nice and smooth. I also really like the feel of the scroll wheel: it is much better than any of the Logitech scroll wheels. I use it mainly with Linux and don't bother mapping any of the extra functions. My KVM also does not like it at all, but that it also the case with other fancy gaming mice.

All that said, I am using it now after my TrackMan Wheel started acting up. After a week or two, I was able to get used to the small size. This would be a great track ball if it were a bit bigger. In the picture, the front of each are lined up to show the difference in size.
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