Edifier USA Aurora Speaker System for PC, MP3 Players, and iPod (Stormy Black) 2.1 Portable audio system ideal for notebook, PC MP3 and all digital media and telephone applications User friendly satellite mounted volume and mute control for easy operation Ported and brush-finished subwoofer for extended bass response Sophisticated design and magnetically-shielded full range spherical satellites with metal weave speaker grill Includes a padded and compact carry case for safe and easy transportation