StarTech.com 3.5mm 4 Position to 2x 3 Position 3.5mm Headset Splitter Adapter M/F - White"Have you recently purchased a newer laptop or Ultrabook and now you can't figure out where to plug in your favorite headset? Most new laptops and Ultrabooks come equipped with a single 3. 5mm 4 position (4pin) audio port that supports both audio input and output. A great number of headsets on the market come equipped with two separate headphone and microphone connectors that are not compatible with this new configuration. The MUYHSMFFADW white