Computer Expressions 54096 Portable Penguin Stereo Speakers Pair of portable stereo speakers with plush stuffed animal design Compatible with mini-jack ports of iPods, PCs, CD players, and more Self-powered in-line amplifier; power output of 0.2 watts x 2 Powered by 2 AA batteries or USB connection (batteries and cable not included) Speakers run for up to 18 hours on single pair of batteries; imported