Delivers ultra-wide 180-degree sound. 4" Woofer produces omnidirectional low frequencies. Compact 1.45" mid-range driver and 0.6" tweeter. Integrated bass port guides low end for a deep and rich sound. Active Room Compensation. Book-inspired design. Stream music using Chromecast or Airplay. Stereo Pairing - pair two for more immersed sound. Bang & Olufsen app. Interface with soft-touch buttons. Stream Bang & Olufsen stations Google or stream via Spotify. Inputs & Outputs: Ethernet Line-in USB-C charge port and micro USB. Includes USB-C power cable.