Simple Bluetooth Mic is a free audio utility for Android smartphones that allows you to connect your phone to a Bluetooth speaker, so you can have your voice streamed to the connected speaker. The app has an extremely simple interface, so it is extremely easy to use.

The first thing you need to do is select the Bluetooth speaker that you want to connect to your phone. Then, you need to tap on the "Connect" button, and the connection will be established. Once that is done, you can start talking to the connected speaker.

To disconnect from the speaker, you need to tap on the "Mute" button, and the app will switch from the listening mode to the mute mode. To switch from the mute mode to the listening mode, you need to tap on the "Unmute" button.