3.5mm AUX Audio Mic Splitter 1 Male to 2 Female Gold Plated Headphone Cable

You can use a new model headphone(w/ only one port for both mic and speaker) 

on a elder model PC/Laptop (w/ sperate ports for mic and speaker)

• 3.5mm stereo jack splitter, Gold plated connectors, Durable PVC Jacket, Fully screened, Cable length: 20cm (6-7Inch) (approx.)
• This Innovative Headset Splitter Adapter breaks the Audio Port Out into Two Distinct Ports - One that can be used For a Microphone Connection, and the Other for Connecting External Speakers 
• Allows 2 sets of speakers to be connected to a PC.The 4-Pin 3.5mm to dual 3-pin 3.5mm Headset Splitter Adapter features one 3.5mm Male and two 3.5mm Female connectors, allowing you to add a microphone input as well as an audio output to your PC or Laptop, through a single 3.5mm audio port. While some of the newer laptops from Apple and Dell feature only a single (4-pin) 3.5mm audio port that supports both audio input and output.
• Featuring a compact, yet sturdy design, the headset splitter delivers the perfect solution for applications that require portability, and takes up very little space in your laptop bag. Supports Windows and Mac. Top Quality Product.