Room-filling sound: Powerful speakers deliver a round, high-end audio experience. Wireless Bluetooth Connection: Built-in Bluetooth for wireless music playback, you'll easily connect to other devices and enjoy music from your mobile, no strings attached. Wired Connection: Connection by audio cable, you can easily connect to your TV or PC, Projectors, Computers etc. via these inputs. FM Radio: Built-in antenna device, support frequency from 87.5 to 108。 Control the sound bar Remotely: Handle the sound bar from the comfort of your couch, only a remote control to achieve (Only option B support).