This space-saving loudspeaker dock and stand-alone music system is perfect for sharing music from your iPod. It's compatible with most docking iPods. Power output is two watts per channel and frequency response extends from 70 Hz to 20 kHz. Additiional highlights include touch controls, advanced aluminum-domed transducers, a full-function remote control and automatic battery-saving shutoff. Operates on four AAA batteries (not included).