Lets you stream music from any source. Want to play music from multiple sources all over your house? ALL MusicCast products come with Bluetooth onboard, so you can stream to any compatible Bluetooth product, or from your smartphone or tablet. There are 23 compatible products in the range, from soundbars, micro-systems and stereo amps to CD players, desktop speakers and AV receivers, including the high-end Aventage range for beaming movie and TV sound. The app is free.