DESC: The V20 Notebook Speakers from Logitech® deliver excellent acoustics in a compact package. Powered by USB 2.0, this lightweight speaker system provides optimum portability with powerful sound. It features high dynamic headroom circuitry for enhanced volume with less distortion. With brilliant Bass 2 Max-X high-excursion drivers and 3 pressure drivers, the V20 optimizes bass response. In addition, the featured multimedia controls track forward/back, play, stop, mute and volume with software applications. An integrated USB cable along with included protective travel case makes the V20 Speakers convenient to use too.