AUX Adapters let you listen to any device on your car's sound system that has the popular AUX input.
Factory Stereo AUX Adapters convert an audio connection into a usable stereo input for your smartphone or any other device with an AUX input.
Universal AUX Adapters make connections usable for any car. If a plug is too small or the wrong type, these adapters convert it to the proper size.
Aftermarket Stereo AUX Adapters convert a connection you're not using (like the cd changer) into a usable stereo input so you can connect your smartphone or any other device with an AUX input.