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I work therefore I ache: Logitech aims to ease WFH pains with Ergo M575 trackball mouse

Robin 12

I have seen something similar in the 90's but not sure what brand it was. I have used these for over a decade and my kids are also using them. My one child loves it for computer gaming. I use mine for CAD and other drawings on Linux.

https://www.kensington.com/en-ca/p/products/control/trackballs/expert-mouse-optical-trackball/

There is a wireless and wired version. Available on Amazon.

The switches do wear out in years of use but are easy to replace if you can solder. The only issue I have had in all the years with all of them other than switches is I lost a sapphire ball which is used to support the big ball. These are not supplied by Kensington but I found a place that sells them and fixed two broken ones. The wrist pads wear out but you can order replacements.

I have used this with carpal tunnel and other issues with no strain.

I tried the thumb track ball and found that the strain on my thumb was just to much.

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