Black 3.5 mm Male to 2 Female Y Splitter Headset Adapter - Earphone Headphone Audio Cable - Headphone Splitter Can be used to connect two sets of earphones, headphones or stereo speakers to your MP3 or media player. Converts single 3.5 mm stereo jack to two 3.5 mm stereo jacks to connect two stereo headphones to one audio source device. It is very easy to share your favorite music with friends using this mini splitter cable.