This audio stereo jack cable by Delock can be connected to a free stereo jack female port of your iPhone, iPod, iPad etc. in order to get two stereo jack female interfaces. Thus two persons can easily listen to music, through their headphones. Furthermore this splitter cable supports the microphone function for both stereo jack female connector, so that two persons can have a conversation at the same time. Thus this cable is suitable for telephone conference, Skype calls or similar.