All the information you will need is available – always google for
arch wiki or arch linux and then your issue
We googled for
arch linux wireless headset
Then we just read and see what we like or need.
Then I would make a script because next time I do a re-install I do not want to be bothered with this technicality again.
Study once, try once, … it works – make a script for next time.
Your headset will
automatically play your music
Switch your headset off and on
after a reboot