Compatible with head mounted microphone, 3.5mm MIC mini condenser microphone MIC, voice amplifier, singing speaker, etc.

fasient Head-mounted Mini Wired Condenser Microphone, 3.5mm Portable Mic for Speaker Voice Amplifier, for Conference/Stage/Teaching/Guide/Tourism, etc

HUACAM Head Mounted Microphone, 3.5mm Wired Headworn Mic, Set of 2 Mini Condenser Headset Mic, Hands Free Microphone for Singing, Flexible Wired Boom for Voice Amplifier,Teachers, Speakers, Coaches

Headphone Mic Splitter Adapter, Froggen 3.5mm Male to Audio Microphone Y Splitter Cable, 2 Dual 3.5mm Female Audio for PS4 Controller, Xbox One, Laptop, Smartphone with Headset, External Mic