Philips Fidelio Premium DS7550 30-Pin iPod/iPhone Charging Alarm Portable Speaker Dock (Discontinued by Manufacturer) Supports most iPhone and iPod models with Universal Dock Connector Elegant, slim, and compact design to fit into any briefcase wOOx technology is a revolutionary loudspeaker concept that allows you to hear and feel profoundly deep bass; tweeter ensures smooth transitions from low-mid to high frequencies; dual suspension and a totally symmetrical sandwich construction Dynamic Bass Boost maximizes your music enjoyment by emphasizing the bass content of the music throughout the range of volume settings--from low to high--at the touch of a button