Only the very very very latest and very expensive hearing aids have true bluetooth.
The only reason why iphones and android phones can pair directly to hearing aids is that cell phones use public airwaves and the US government (the FCC) requires all cell phones to be compatible with hearing aids.
https://support.apple.com/en-us/HT202186
You will notice that apple computers don't work with "made for iphone" hearing aids. No apple computers are listed.
https://support.apple.com/en-us/HT201466
You usually have to buy a ``tv streamer` from your hearing aids manufacturer. Ask your audiologist for more information.