Bluesound PULSE FLEX Portable Wireless Multi-room Smart Speaker with Bluetooth - Black Smart music streamer and hi-fi quality powered speakers all in one beautifully designed player, for award-winning, audiophile-certified sound Simple setup; control music sources and playback from your iOS or Android smartphone or tablet, using the BluOS Controller Easily access and connect to internet radio stations, cloud music services, or your own music library Wi-Fi or Bluetooth - stream from your favorite music services such as Spotify, Tidal, Deezer, Microsoft groove, and many more Easily expandable; stream to other Bluesound players and bring the hi-fi experience to other parts of your home