u/Firmspy

Okay, so I sort of just blind bought a pair of these. Most because I heard it can swap audio between my Sonos Arc Ultra.

Couple of n00b questions which I'm hoping someone can answer quickly to save me a bit of time -

a) Am I right in assuming, I cannot control the audio for this in the App? I can see it listed under headphones, but I am not able to select a music source.

b) It seems to connect okay to my iPhone via Bluetooth, but the phone displays as "unknown". How do I know what quality audio is being passed to it?

c) Can I pair it with my iPad, iPhone, and my work computer and have it automatically switch between my devices depending on whether I select the headphones as the audio output from the device playing the audio?