> dongle makes it impossible to charge the phone or connect it to any other device while using audio

I feel like you missed the part where the parent comment said "[...] and there's even passthrough options for when you need to charge".

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-adapt...