Connect to Laptop
When the microphone on your laptop is separate from the audio jack of your headphones, you can use this audio adapter to get the most out of your headphones,One plug plugs into your Laptop Headphone port, the other plug plugs into your Laptop Mic port, The headset plug into single 3.5mm audio port of the adapter, enabling you to add a mono microphone input, as well as a stereo output to your Laptop;
Please do not plug it in the wrong way, otherwise you will not be able to hear the sound of the headphones, and you will not be able to use the microphone to speak;