Hi,
I was so happy I was able to set up my bluetooth Unitron 2 streaming device with my new Samsung smart TV; with the related small device I wear around my neck while watching, I hear much better. The charging base for the Unitron is connected to my TV. (Sorry I'm not better with the tech terminology.)
BUT so far I have not been able to get the same device working when I call up my Amazon prime video app via the TV's Smart Hub; and I don't see a setting option in the Hub to tell it to recognize bluetooth (my streaming thing) though it's working with regular TV functions.
Somewhere I read someone set up a special link in github to allow access to hidden bluetooth option in the Hub (or was it the Amazon app?) but I was a bit afraid to try that approach and can't find it again anyway.
I don't know if this helps or not but thought I'd mention it. Also, my Unitron 2 was between $100-200 but maybe there's a cheaper version, good!