Sony Speaker Dock/Clock Radio for iPod and iPhone - Black Box Content - ICF-C1iP clock radio/speaker dock with attached FM wire antenna, power supply adapter, and installed battery, AM loop antenna Power requirements - 120 VAC, 60Hz (Clock backup requires 3 VDC battery) Output power - 3 W +3 W (at 10% harmonic distortion) Frequency range - FM 87.5-108MHz and AM 530-1710Hz Sound enhancer - MegaXpand, Bass Reflex Speaker System