STREAM EFFORTLESSLY: Bluetooth speaker connects with Amazon Echo & Echo Dot for voice control; ask Alexa to play music from Amazon Music, Spotify, Pandora, iHeartRadio, TuneIn and SiriusXM EASY SET UP: install into standard E26 light sockets or fixtures, download the iOS/Android app and set up. Suitable for 5 to 6 inch recessed can lighting (socket extender required for 4 inch) HIGH FIDELITY SOUND: 13 watt (at 8 ohms) loudspeakers perform as left right stereo pair APP CONTROLLED: stream audio, adjust the volume and set light brightness from your iOS or Android devoice WHOLE HOME MUSIC: link up to eight (master and seven satellites) bulbs for sound everywhere; bulbs work best up to 100 feet apart