@Baxic your headphones have a microphone(in the 2nd picture.) Once you plugged the headphones in, there will be a notification for letting you choose the output. Choose Headset will switch laptop's mic to headphones' mic.
Please remember to include @AnhEZ28 when you want to reply back to my comment so that I can check your response. Thank you and have a nice day!
FAQ & Answers
Thank you and have a nice day!
May I know the full model name of your unit.