t it's stupid small to the point of being comical,
I use an HSK pro 4k to play, which is smaller than this
and I'm not a super tall big person, just 182cm of height and my hands are about 20/21cm x 11/12cm length/width, yet even with that, I am a fingertip user, and the HSK pro (which is smaller), is the best mouse I've ever used to play mp fps games. Like not a small difference, what I can do with that mouse, I can't do it with any other (and I'm fairly skilled in what I play, not the typical silver but more like top 0.5%).
I main a Naga v2 pro to work (can't live anymore without 12 side buttons for productivity), and I will never play anything that needs aim with a big mouse again.
I'm just not seeing $150 here. But I digress.
This kind of small mice, may look like toys, but man, in my hands are like a dagger.