[Note: This version is for phones with delay problem in main version. Sound quality of this version may not be as good as main version. Try main version at below link before using this version]
Main version: https://play.google.com/store/apps/details?id=multimediasol.app.microphone

This application will connect the microphone of your phone to headphone or external speaker. It allowed to speak in realtime, with low latency, no delay or lag, like a professional microphone. You will hear your amazing voice instantly. You can also record your voice in high quality.