Can not get my in-line mic to work

ind2403

Prominent
Jan 17, 2018
1
0
510
0
Hello I have a Poloroid headphones with in-line MIC and there is only one jack attached to the cable, when I plug it into the PC i can only get the headphones to work and not the mic, why is this as the headphones only supplied the one jack point.
 

ASK THE COMMUNITY