Choose one, or stream to all of them at once. The app also handles set-up for your speakers, and gives you full control of volume and speaker selection. The app automatically organizes and indexes the music for you. The app offers built-in streaming options: stream from worldwide music services such as Tidal and Deezer use AM/FM and Internet radio, connect to DLNA servers, or play anything from your devices� music library, including your playlists. Choose a speaker, choose a song, and your favorite tunes are streaming all through the house. The 'Hi-Fi over Wi-Fi' listening experience is just a touch away, thanks to this handy app. It's a huge step up from Bluetooth - the audio quality and reliability are outstanding, and you can enjoy music from your phone in one room, or all your rooms. You can stream your favorite tunes over Wi-Fi right from the Play-Fi app to speakers from DTS Play-Fi product partners. Breakthrough DTS Play-Fi(R) technology powers simple, great-sounding whole-home wireless audio systems for smartphones and tablets.