Fix my problem

I have a Razer Kraken headphones with mic. When I connected the 3.5 mm pin of the headphone to the phone with a headphone jack, the headphones are working normally. But when recording audio or using mic on the PUBG mobile game, the mic used is the built-in mic of the phone. How will I use the mic of my headphones? I already tried it with different headphones. Still the same issue. Thank you!