The Yamaha WX-010 Black is a speaker with which you can stream music wirelessly via WiFi. With Yamaha's MusicCast system, you create your own multi-room system in the blink of an eye. Connect other MusicCast devices, and determine what kind of music you want to hear in each room with the app. With Spotify Connect and Apply AirPlay, you easily stream music from you smartphone or tablet. You can also connect devices to the speaker via Bluetooth.