Wharfedale LoudMan Portable Stereo Speaker System (Cherry Red) (Discontinued by Manufacturer) LoudMan portable powered speaker system for your laptop, portable CD player, minidisc, or MP3 device NXT flat-panel speaker technology disperses sound clearly and evenly on just 2 watts per channel Uses built-in amplifier with stereo minijack input Includes audio cable and 4 AA batteries, storage holds 6 compact discs Runs for 4 hours at full power