[vanous]

If you get your hands on a pair of these, you could try to do a Wireshark capture and maybe it could be added into Gadgetbridge [2]

See recent work on Sony WF-1000XM4 [1] as an example.

[1] https://codeberg.org/Freeyourgadget/Gadgetbridge/issues/2925

[2] https://codeberg.org/Freeyourgadget/Gadgetbridge