The Harman Kardon Astra Bluetooth speaker is equipped with Alexa Voice Service and connects to the vocal server via dual-band Wi-Fi. It features a 360-degree chrome ring that emits a gentle light, giving the device a high-class appearance in connection with the metal grille surrounding the speaker casing. Thanks to multiple drivers and tweeters, the speaker with its cylindrical form delivers 360-degree hi-fi sound filling the entire room.