Logitech Trackman Marble Trackball Mouse – Wired USB Ergonomic Mouse for Computers, with 4 Programmable Buttons, Dark Gray

At $20 on Amazon, the Trackman Marble is a steal. Its easily the most ergonomic finger trackball that Ive used. The button presses are not obnoxiously loud like other more expensive trackballs that Ive used. While the software might not be the best, using a free program called X-Mouse Button Control allows this mouse to do just about anything you want. I use the two big buttons as left and right mouse click, chord them together for middle mouse. I use the two smaller buttons to turn the whole ball into a scroll wheel, which is super nice. The only thing really bad about this mouse it the sensor - its like 300 DPI. For most displays, which are at least 1080p, this is just unacceptable. Especially when Logitech makes things like the Hero sensor in their gaming mice that go up to like 12,000 DPI; more than the average user needs. Overall, though, I recommend and have bought many of these over the years between home and work - they only break because I try to mod them and Im not terribly great at that process :)

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I have been spending the entire day in front of the computer for many years and recently developed shoulder problems from excessive mousing. I had to get a mouse that lets me vary the position of my hand and the stress on the shoulder. This mouse does that because you move the pointer with your fingers rather then moving your hand. However, learning how to use this track ball mouse has a steep learning curve as it is so different from a standard mouse. It took me a number of days to feel more or less comfortable doing everything I need to do. Scrolling and clicking and moving the pointer is very easy. However, highlighting a chunk of text and doing copy and paste takes more work then an old mouse. It has been slightly over a month since I purchased this mouse and my shoulder is feeling better. Now I use two mice to vary how I use my hand. I still use the old mouse for copy and paste, and I use this trackball for general mousing around. Ali Julia review

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I have used this model of mouse since the 90s. I have owned a countless number of them. I do everything from Gaming (FPS,to MMORPG) to Photo Work. Over the years I have had my issues with the mouse. I wish I could give this a Five Star review but I can not do that. There are some major cons with this mouse that could have been fixed over the years and yet they seem to have gone the other way on it. The mouse came out with metal bearings in the and they lasted virtually FOREVER, all you had to do was oil the bearing with some Mineral Spirits and it worked perfect again for months. Now they have plastic/poly bearings; they are ok but they do not hold up nearly as long. I kill a mouse now in about 2 years. This is the max life I seem to get out of the bearings they just wear down to the point where the trackball is rubbing on the mouse housing. The next major complaint that I have is tracking accuracy. While it is totally amazing and superb at slow speeds which makes it great for things like Sniping in a FPS or for fine Photo Editing. If you decide to move the trackball at a fast pace the sensor loses all track of the ball and glitches out and can even send the mouse backwards. It used to be the limitations of Computers were that that this did not cause an issue; but that is not the case now. Today our screen sizes have grown; we have 4k, 8k, Ultra Wide and Monitor Linking making screens much larger then 800x600 that was in the 90s. Making it much harder to get the mouse from one corner of the screen to the other corner without taking a long time; gaming has also move to a much faster pace. While having the accuracy of the trackball at slow speeds it would be amazing to be able to speed it up some times too. Last Major Complaint: The glue on the Rubber Feet is soft and comes off very easily (an easy fix with a very small dab of super glue once it comes off). Other then that, the mouse is great. I will keep using them despite the small list of flaws. I currently have 4 of them in active use in my house. They are great because you can use them in the smallest of spaces like a night stand for a media device and you dont ever have to worry about a surface to use your mouse on. It works just fine sitting in the palm of one hand while using it with the other if you need to and it much easier and accurate then a remote. The buttons are really able to take a beating as well (Lots of use not being over psychical). I wish I could take the time to work with Logitech to make a better version of this for the more modern PC User but at least I can say this mouse has been good enough and reliable enough that I bought my first one in the 90s fell in love and bought them ever since and will keep buying them.

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