I agree with those that want to use a non iPhone source or USB input. I have done this for years in a 2013 BMW X6. I have music on my iPhone and want to pair a different MP3 player that has audio MP3 books loaded. After trying 4 different MP3 players that support BT, none could be seen by our...
I have tested multiple MP3 players, two different SanDisk and two off brands. None were able to pair with our R1S. They did see the camp speaker. The R1S never saw the MP3 players. I finally used an old iPhone SE as our MP3 player. This paired immediately. When we took delivery a few weeks...