The lack of headphone jack is pretty irritating—one of the primary motivators for going this route was going to be keeping the headphone jack on my phone. pactl list cards seems to show only a Card #0 with nothing related to headphones or hi-fi. Is the jack on some sort of daughter board with a DAC that the kernel isn’t exposing?
Bluetooth worked with a bit of fiddling but was stuck on SBC codec. I much prefer my wired setup.