OUR PART # PCV-05
All of Sennheiser's PC gaming headsets with 2 plugs (microphone & audio) can also be used on Mac, Xbox One and PS4. Whether you need to use the PCV 05 Audio Combo Adapter for Mac depends on the audio output. Xbox One users will also need the Microsoft Xbox One Stereo Headset Adapter in addition to the PCV 05.
Sennheiser PCV 05 Combo Audio Adaptor: 2 x 3.5mm Stereo jack plug to 1 x 3.5mm 4Pol jack plug.