auto rear view camera - How Car FM transmitter is helpful .Car FM transmitter is extremely helpful device for that driver just because a driver remains constantly within the vehicle which is his duty. Therefore, the car FM transmitter is among the medium for him to listen to the songs and radio for passing time. Usually all of the motorists doesn't driver during the day. They need to wait for specific place greater than 4 hrs. Therefore, they keep a choice to pass time by hearing the song or radio around the vehicle FAM transmitter.