The MUYHSMFFADW Headphone/Microphone Splitter features one 4-pole (4-pin) 3.5mm male (TRRS) and two 3-pole (3-pin) 3.5mm (TRS) female connectors, enabling you to add a mono microphone input, as well as a stereo output to your PC or Laptop, through a single 3.5mm audio port.
