headsets splitter adapter, dukabel 3.5mm jack separate headphone & mic plug adapter 3.5mm combo audio adapter cable for ps4 gaming headset pc xbox one laptop -<11inch/30cm> dukabel headset connectivity simply connect the headphone plug from your headset into the audio output port marked with the headphone symbol, and connect the microphone plug into the audio input port marked with the microphone symbol. plug the adapter into audio port on your laptop and you’re all set. note: this adapter is not a headphone splitter or y-cable. it cannot be used to split the audio output to two separate sets of headphones or speakers.