Maximize functionality of your Sonos speaker with flawless built-in live micro and music cast. Turn your mobile phone into the best Sonos speaker attachment, using the app as a cool digital microphone and an ultimate music player for Sonos S1 and Sonos S2. The app can also work as a recorder, then you can play that recorder directly to Sonos speaker with ease. Connecting the app with Sonos Speaker through Wifi, that app works perfectly with the speaker at any distance, as long as the two device