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Actual headphones, yes - many of them have an analog jack.

But I haven't ever seen a bluetooth headset that support analog audio.

My Bose QuietComfort 35 has a cable and jack for analog audio. It is quite common among germans, afaict.

Those are headphones. I think OP was talking about wireless earphones.

My Jabra Elite 85h has jack in addition to bluetooth.

Again, those are headphones. OP was talking about earphones, I think.

I would say the reverse is true. There is absolutely a subset that support this but I doubt most is close.

Headphones, yep. Earphones? Mostly no.