Amazon.com: Microsoft Trackball Explorer : Electronics

Also allows me to quickly switch profiles between the mappings of the MS Mouse for precision and gaming to the Logitech mouse for everyday use.— End Elecom Section — … Then you have to pick up your mouse, move it to the middle of the pad, and keep going. What a pain. The solution is the trackball. Of the trackballs I have tried, this one …

https://www.amazon.com/Microsoft-D68-00007-Trackball-Explorer/dp/B00005853Z