If you can make it with 2 buttons Kensington Expert Wireless on Linux user here. If you need 4 buttons, get the Slimblade. The Logitech was ok, but I couldnt get used to the small buttons.
Giving you the ability to assign a wide variety of program functions to each of the 4 buttons, as well as controlling the pointer speed. Expert Mouse® Wired Trackball. (For more information, see Should you switch to a trackball? below.)Home / Products / Control / Trackballs / Expert Mouse® Wired Trackball. Currently I use these settings in my Xorg config:Finger-operated trackballs with center-mounted balls work for both right- and left-handed people and encourage better wrist posture, while thumb-operated trackballs are more similar to traditional mice and therefore easier to get the hang of.
Although trackballs can help some people with some symptoms of repetitive stress injury, they can’t help everyone—we recommend consulting a doctor first if you’re considering a trackball for that reason. Logitech Ergo M575 (White) Wireless Trackball - RF 2.4 / Bluetooth - right-handed - optical sensor 2000 dpi - 5 buttons. 4-button optical trackball. Kensington Expert Mouse Optical.
Buttons: We look for the same amount of buttons as we do on wireless mice—a trackball should have at least left- and right-click buttons, but we prefer models with at least two additional buttons for back and forward. The bigger the trackball, the less rotation you need to employ to move the cursor across the screen. A low-quality ball can ruin the experience of using a trackball.
Kensington Expert Mouse Trackball 4 Buttons Software Also Lets
Connection: Some wireless options support a 2.4 GHz USB wireless receiver (a dongle), Bluetooth, or both. Some trackballs use AA batteries, while others have a rechargeable battery. Battery life: If you opt for a wireless trackball, you can expect anywhere from six months to 24 months of battery life. Great software also lets you change the pointer speed, acceleration, and scrolling speed. Software: If your trackball mouse has four or more buttons, you’ll likely want to customize how they work with manufacturer software.
Warranty: Most problems with trackballs arise from quality-control quirks and surface in the first year (if not in the first week) of use, so we expect to see at least a one-year warranty. Older trackballs with aging software, fewer buttons, and wired connections are available for $20 to $40. Price: The most recent models with modern software and better build quality tend to cost $50 to $100.
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