KEEP YOUR HEADPHONES, ADD A MIC – The ModMic Wireless by Antlion Audio is an attachable microphone for over-ear or on-ear headphones. You can turn your favorite headphones into a headset. The ModMic attaches with a magnet, remove the mic when you’re on the go or add a magnet to multiple headsets for an easy mic switch.

https://www.amazon.com/Antlion-Audio-Attachable-Microphone-Headphones/dp/B07KQF165L