The Secret of Playing Music from Your Phone to Car Stereo Audio System without Aux Port.
iSunnao Wireless FM Transmitter Bluetooth Car Kit gives you the ability to play your music from the FM empty channel in your car.
To connect your smartphone to FM Transmitter, simply power on the FM transmitter, and find it on the Bluetooth setting in your smartphone.
Once it is connected, select an empty channel on FM Transmitter and tune your radio to the same channel, then play your music from your smartphone to your car audio system.
It also plays MP3 music from TF card. Simply you can put your favorite songs on the TF card and play through car stereo system.
It features USB Charging port with output voltage of 5V DC 2A to charge your iPhone/iPad/tablet/and other smartphones when you enjoy your driving.