The Dell AC511 Stereo USB Sound Bar offers users a low profile, stylish sound solution that matches the styling of various monitors with convenient USB power. Also, the headphone jack that allows users to enjoy audio from their favorite games, music and movies, without sacrificing valuable desk space. Moreover, the USB-powered device makes it easy to use your speaker through your USB port, eliminating the need for batteries or a power cord. You can simply plug in the speaker to an open USB port in your computer and get started using the drive without the need to install any software. It provides high performance quality sound so you'll be able to enjoy your speakers as soon as you plug it in and start using it.