Ambient room-filling sound. 360 Reality Audio. Immersive Audio Enhancement. Beam tweeter creates floor-to-ceiling sound. Omni-directional sound and deep bass. Use a Wifi connection to access favorite streaming services. Chromecast built-in. Multi-room music. Voice control compatible with Google or Alexa. Analyzes track and adjusts volume automatically. Music Center app. Sound Calibration - auto calibrates with internal microphone. 3.5mm Auxiliary input. Dimensions: 5.75"W x 9.75"H x 6.125"D.