Actually, just the aux jack is perfectly fine. I have a car with just aux, and I bought a $37 aux to bluetooth adapter [1] that works perfectly. It is a small

Actually, just the aux jack is perfectly fine. I have a car with just aux, and I bought a $37 aux to bluetooth adapter [1] that works perfectly. It is a small puck shaped thing you can attach on the dash, with physical buttons for play/pause/prev/next, a good-enough microphone and you can answer/end calls with the play button. If they release Bluetooth 6.0 or whatever with cool new features, then in a couple of years when I've bought a phone that supports this, I can just buy a new Bluetooth adapter. [1] https://www.ebay.com/itm/185493363534?hash=item2b30441b4e:g:j00AAOSwS49hyoAx&amdata=enc%3AAQAHAAAA8C5eg%2Fp7%2B%2Fo4i0MNJ%2B0LGD3MgtpEyB1ov3%2BANTT%2BV9OEKCsuJ%2FCbz21d0AsF5HrBsxc8J9mVIudOyQYy88UsBuoZr5lEoLp%2FqAD3BeKidC4mJJZdfoUaxycgdpizUCS5IR1SkJOVscT2Ysn6sRT1QhKcmVOAYSgPRTib8HG4PlZ%2FprFTm4V1YPkKpcT47CHXAid70Xy7BCX5BMv8gJumc1WO%2F8E2O6ZKqZCSmDs0KvrIu09UthrxErl%2BOGWZUPjF04NR9DIKHLjIuLTrA%2FtCf2AwpKPgrj0Hd0M7NnGvcXm5RfssPUgZCHrlWznu%2B1pjMw%3D%3D%7Ctkp%3ABk9SR9in74nnYQ https://www.ebay.com/itm/185493363534?hash=item2b30441b4e:g:...