Arkon Portable Fold-up Speakers for iPod and Music Players (Gray) Compatibility: iPod mini; iPod nano 1G, 2G, 3G; iPod touch; iPod 1G, 2G, 3G, 4G, 5G, 5.5G, 6G; iPod shuffle 1G, 2G Pair of fold-up clamshell speakers designed for iPod and any audio device with standard 3.5-mm headphone jack Completely self-powered circuitry runs without AC adapter or batteries 8-inch tangle-free audio cable stores conveniently inside folding clamshell Includes soft carrying pouch; measures 4.47 by 2.75 by 1.65 inches (W x H x D)