"not the best"2.5 starson by blairmclachlan
Pros: Easy to connect and set up. Tracks ok.
Buttons have good pressure sensitivity, clean and positive clicks and easy to use.
Cons: I found the optical scroll very jerky and disappointing. I set the scroll preferences to the lowest available setting, which toned it down a little, and just makes it just usable but still not easy. The scale settings above minimum seem just impossibly su
Summary: I will still use it rather than the track pad or my wired mouse, but the optical scroll really needs some more work.