I just recently bought this: https://www.amazon.com/gp/product/B019RVZ138/ref=oh_aui_deta...
It was on sale, so it was cheaper than what you see there.
I have pretty good experiences with it so far. It would also solve your rental car problem!
Re:iPhone 7
by sordidfellow on Wednesday September 07, 2016 @04:16PM
(#12447144)
Thanks for that! I was hoping something like this existed so I could do the car audio aux + gps + charging.
Is there an opposite version of that, like one I could attach to my headphones and play through an iPhone?
EDIT: found it - https://www.amazon.com/dp/B01HQ0UVTG?psc=1
2) Most people store their music on their phones though.