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Motorola Signature 27 with GrapheneOS will cost €1.900
(www.heise.de)
This is a most excellent place for technology news and articles.
It's actually hard to buy a single dongle. They're like 4 for $9. So you put one on everything.
For home stereo I bought a Bluetooth dongle and leave that plugged into the stereo.
So it's not perfect, but it's not like you can't plug in your phone.
I was angry about headphone jacks for a long time but it's easier to pick your battles and motion to more important things