Using this with OBS streaming to twitch. Mostly use it to select different scenes or background videos but also use it to hotkey into popout chat windows in the browser or other apps under windows.
It also switches into multiple pages, so while you have 15 keys, a couple can be back/forward or pick specific pages of another page of 15 keys.
The middle button though has a clear 'marker' so it distorts any text you have added to the button so just move it up a line to make it clearer. It needs a direct connection, not via a hub, or use a powered USB exenstion.