Most new laptops and Ultrabooks come equipped with a single 3.5mm 4-position (4pin) audio port that supports both audio input and output. This headset Splitter Adapter allows the use of an external microphone and speakers with PCs or Laptops that are equipped with a combo 4-position/4-pin audio port
https://www.amazon.com/Kingtop-Adapter-Tablet-Headsets-Version/dp/B01I3A47I4