I have a passthrough dongle so I can charge my iPhone in the car and use an aux audio patch cable, and it's quite a large thing, certainly not unobtrusive but i

I have a passthrough dongle so I can charge my iPhone in the car and use an aux audio patch cable, and it's quite a large thing, certainly not unobtrusive but if you're charging maybe that doesn't really matter. Something like https://www.belkin.com/p/3.5mm-audio-plus-usb-c-charge-adapter/NPA004btWH.html https://www.belkin.com/p/3.5mm-audio-plus-usb-c-charge-adapt...