We have no mic that I know of,,, I did find the little book about the camera yesterday,,, and a small remote,,, that got berried somewhere ???
The thing is sometimes you have different things or they are hooked up different than the books !!! Anyway it says it is a one way audio,,, driver can not talk back !!! We will be checking it out next time we move the MH,,, also I hate to admit that I did not know it was supposed to have lights when backing up @ night ??? Guess I will need DW to check that for me !!!