To fix a problem with a Logitech trackball button, you don't have to solder anything or do anything else not expected of an average user. While Logitech doesn't provide troubleshooting tips ...

I’ve seen it all when it comes to gaming mice–RGB lighting, all types and shapes of buttons, and super-fast sensors that feel ...

You can change your mouse's DPI in the Settings menu on your computer, or if you have the right kind of mouse, by pressing the DPI button on it.