Dell Stereo Soundbar AC511M offers clear stereo sound, allowing you to enjoy audio on your favorite games, music and movies, without sacrificing desk space. Space saving design Until you hear it, you'll hardly notice it's there. Dell Stereo Soundbar can give you the sound you want without big speakers and long cables. An included soundbar mount offers easy attachment to the monitor, without losing desk space or affecting monitor adjustability. Rich stereo sound The sound belies its size. Your music comes through crisp and clear. Games and movies are a whole new experience. For private listening, the Dell Stereo Soundbar also includes a convenient headphone jack. USB powered The Dell USB Soundbar is simplicity itself. No extra software. No power cord. No batteries.