I came across this site which can be handy for generating Bluetooth and UUID's in general.
Monday, May 11, 2020
Start by opening up your settings app then navigate to the accessibility options. From here you may enable mono audio mixing. This can be ideal for single channel headsets like reusing the single channel PS4 controller headset with your phone and other mono earbud options. See a screenshot of the location here:
at May 11, 2020