How to use the 3.5mm microphone？

If you use the C81 with your own headphone on PS4 /PS5, and you want to get the stereo sound quality while talking. This small Microphone will help you.

Plug C81 into your PS4/PS5, pair your headphone with C81. And Plug this small mic into the PS4/PS5 controller. Talking via this small mic directly and get the audio from the headphone. No need to switch C81 to talk mode and you can get stereo sound quality while talking.