This stereo audio cable from Delock can be connected to a free female stereo jack on your iPhone, iPod, iPad, etc. to create two female stereo jacks. Two people can then easily listen to music or similar on their headphones. This splitter cable also supports microphone function for both stereo jacks (female) so that two people can have a conversation at the same time. This cable is thus suitable for telephone conferences, Skype calls and the like.