earphones not working

So i have a zsn x pro with mic earphones. I tested it and its working but I cant change the mic cause the all in one pc have a built in mic. I tried to change it at the sound settings but i cant see a earphones or mic there to change it so I'm stuck at this built in microphone which sucks. do...

So I was Playing My PS4 When I decided to go on YouTube on my laptop. I came Back to My PS4 and I couldn't talk into my earphones, it's not just my PS4 It's My Earphones in General. I can Hear Perfectly Fine I just can't talk