Dolby Atmos Surround Sound. Two detachable battery powered speakers. Streaming services via AirPlay Alexa MRM and Chromecast built-in. Wifi connection support software updates. 620 Watts of total system power. 10" Wireless subwoofer. PureVoice technology optimizes voice clarity. HDMI eARC with 4K Dolby Vision pass through. JBL One app. Compatible with Alexa Google Assistant or Siri. 1 Optical audio input. USB port. Includes: Main soundbar. (2) Detachable wireless speakers. Wireless subwoofer. Remote with 2 batteries. 2x Power cords. HDMI cable.