Double Adapter 3.5mm female to 3.5mm male You recently bought a new laptop or Ultrabook and now you do not know where to plug your favorite headphones? Most new laptops and Ultrabook are equipped with a single audio port 3.5mm 3-position (3-pin), which supports both audio input and output. Many headsets on the market are equipped with two separate connectors for headphones and microphone, which are not compatible with this new configuration. The headset adapter has two ports of 3.5 mm to 3 positions, which offer a separate connection for headphones and microphone can be connected to single audio port on your laptop. Users who prefer to use Skype or talking online without headset can also connect a separate and powered speakers microphone.