Play a choice of music from either the radio, your iPod/iPhone or from a CD. The radio comes with a 20 preset memory & RDS (Radio Data System) function. It will play CDs, including R/RW & MP3 files & supports all iPod & iPhone systems. The sound is great, pumping out 32W (RMS) via 2 10W speakers & a 45W subwoofer for a well-rounded sound distribution. Adjustable bass & treble controls add to the fullness of the sound. The radio has a sleep timer & the volume control is digital via the LCD display.