Ambidextrous mice can be a much safer shape allowing you to go slightly smaller than you expect The za12 is bigger than an EC2 and KPM but smaller than DA, rival and 403 Coating gets nasty and needs a wipe off every now and then…and we'll it's a Zowie The heavier switches aren't noticeable in game but are nicer for shooters and the 16 step wheel is great but not for browsing and only 1 set of side buttons are active at once. No software for this one