Use your phone to talk over Cast devices, Bluetooth speakers, speakers that support AirPlay, and other connected speakers. Once the app discovers a speaker, the user can select the speaker and use the Push-To-Talk button to transmit live audio to selected speakers.
The app will discover any available Cast device connected to the same Wi-Fi network as the app.
Be wary of feedback when sending audio to a nearby speaker, e.g. the phones local speaker.