ArtDio MS-790 - Portable speakers for iPod - 4 Watt (total) MS-790 is specially deSigned for the latest 3G 2G iPod nano and 2G iPod shuffle, Connect your iPod MP3 players or other audio sources with the 3, 5mm stereo input connection and enjoy your music, Operates with USB power AC adapter or even batteries offers you maximum mobility, Compatible with Pod and All Line In Audio Sources, Operates with Batteries USB or AC Adapter, Black, Max, power output 4 watts, Pre-amplified and magnetically shielded, 2 watts per channel, 2 x 1, 5" full range NdFeB drivers, SKU: KINYO027