Microfono Bluetooth

You can use it in demo mode in a limited way, when you register it it will work fully without limitations.

Your cell phone will work as a microphone connected to any sound amplifier.

It will connect via bluetooth to an Xy-BT mini audio receiver module. Very cheap plate.

It has a microphone and mute mode.

Totally in Spanish and without advertisements.

Very light app.

Requires internet connection to register the app.

Very accessible price.

The app requires paid registration for life.