15 watts output power; Deep bass without a separate woofer; Equipped with 2 built-in woofers and a sound duct; Integrated USB 2.0 port for easy file playback; Pairs to Bluetooth(R) compatible devices for audio playback; Surround Sound Expansion expands the listening area both sideways and up to deliver high-quality sound for an immersive effect; Connects easily to TV without the clutter of wires via Bluetooth(R); Includes remote and power cord;