Note: if you're using a separate sys-usb, and need to attach your bluetooth module to a AudioVM or MediaVM, 'blueman-manager' won't run without a recognized adapter from 'blueman-applet'. Once you attach, you can run 'blueman-manager' and with a script like the below in your AppVM's `rc.local` auto-connect to your preffered device:
For the most secure scenario, one should be running an AudioVM rather than rely on having PulseAudio in dom0. The creation of such a VM is beyond the scope of this guide.