From Beweglickeit and handling, I find that one can deal properly with this mouse. On flat surfaces such as desks or so it works properly and is easy to operate. The only drawback is noticeable when you sit on the couch. On some surfaces wiederspenstigen dissolve a little from the slip areas of the mouse, which makes for a small barbed effect.
All in all but one of the best mice I've tried and only recommended from price benchmarking ago. mfg