Micro USB to 1/8 Stereo 3.5 mm Audio Car AUX Cable is only connect micro-USB interface device to 3.5 mm AUX audio input socket on car stereo Hi-Fi amplifier.
NOTE: The 3.5 to micro-b cable can NOT connect to home stereos sound cards portable speakers and other multimedia devices that feature standard 3.5 mm plugs. ConnectorMicro USB to 3.5 mm male to male stereo audio cable for Galaxy S3 i9300 S2 i9100 i9220; Does NOT compatible with Note 2 S4 etc.
NOTE: Connect the micro usb connector from i9300 i9220 i9100 to the 3.5 mm connector on your car CD/DVD AUX-IN. then turn ON bottom audio output at your phone (is must).
How to work: go to Settings - Settings of the bottom - the bottom of the audio output (or similar menu) and selected itThe 3.5 mm cable is with excellent sound reproduction and signal to noise ratio zoom in on your favorite tunes by putting them on your larger stereo systems.