Connect a 4 position headset with audio and microphone input to your desktop or laptop computerr r connect your newer headsets audio and microphone to a pc or laptop for use with voip applications skype chat programsr easy to installr backed by startechcom lifetime warrantyr r the muyhsfmm 4 position 35mm to dual 35mm headset splitter adapter features one 35mm female and two 35mm male connectors enabling you to connect a 4 position headset with audio and microphone input to your pc or