Altec Lansing IML227 Orbit USB Lite Speaker for Laptops and Netbooks Audio Alignment delivers balanced, optimum sound From the source to the speaker, sound stays digitally wired through the USB connection. No fuzz, no muffle, just quality audio 360 Degree sound field pushes astonishing sound in all directions USB powered means no batteries or AC cord, just plug and play Lightweight plastic construction and integrated cord storage make it tough and easy to carry LED power indicator Retractable stand lets you aim the sound in any direction