Microphone Splitter, Y-Connector 2-3 Mics 1/8" TRRS Microphones Splitter(with Trrs to TRS Adapter), 3.5mm 2-3 Headset Headphone Audio Signal Splitter Cable

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

Compact design for maximum portability - a great solution to have on hand in your laptop bag
Lightweight, yet sturdy design that can easily be plugged in when required