i have had pocket operator bluetooth audio in mod.
and latency doesn’t matter, because usually i play beat at 90bpm on a dj app for example. than i listen to the beat and just start pocket operator on the beat that i actually hear.
and sometimes i use bluetooth audio out dongle:
or to take a sample from youtube while on a couch.
in that case latency doesn’t matter, because you dont perform live.
bluetooth 5.2 is 0 latency and supports even multiple audio devices at the same time. but in live set up, all musical gear supports only cable audio output, so you would also need a bluetooth 5.2 audio transmitter for your external gear. and most people have already well adopted cable in their live set. so it may work, but kinda overkill, i dunno