1. FM mode - Tune the same FM radio channel on both the unit and your car radio;


2. AUX transmission mode - Plug the aux cable into the unit's audio port and the car's original aux-in port (if your car stereo has one).


We recommend AUX mode via original car speaker for better sounding.

On Apr 9, 2024 at 22:20:15 PDT, seller added the following information:

DataCaciques