2pc USB & AC-Powered Portable Speaker System w/ Microphone. It's your music jukebox, your interactive playground, and your productivity tool, all rolled into one. But you ve noticed: it doesn t sound too good. If you ve ever tried to share a multimedia presentation using your tinny, built-in laptop speakers, you know exactly what we mean. Introduce your laptop to the Altec Lansing XT2 and watch them sing like The Righteous Brothers. Flip out the pivoting stands, link up through the USB port, and enjoy superb sound and surprisingly deep bass. Thanks to a microphone built-in to the right satellite, you can even use the XT2 for Internet communications. And for an audio boost, use the optional power supply (included). Of course, the XT2 travels light. Pack it up in its rugged deluxe carrying case, and you re ready for your next trip.