I have it. I hate it.
The shape, seriously which Genius at Zowie came up with this FK1 shape Glorious copied for the model O? It doesn't fit any of the 3 common grip styles at all. Sure part of the issue is it's too big for my hand, but then again O Minus wireless isn't out yet, but no matter if I try claw, palm or fingertip, there's zero support,
I really don't understand the hype. I'll probably get the Xtrfy MZ1 Zys Rail once it comes out, a little worried about the build quality and that it's not wireless, but otherwise seems perfect for fingertip/claw.