Philips AZ1837/79, FM, MW, CD, CD-R, CD-RW, Fast Backward, Fast forward, Next, Previous, Repeat, Shuffle, 2 W, 3", MP3, WMA Philips AZ1837/79. Supported radio bands: FM, MW. Disc types supported: CD, CD-R, CD-RW, Playback modes: Fast Backward, Fast forward, Next, Previous, Repeat, Shuffle. RMS rated power: 2 W, Subwoofer driver diameter (imperial): 3". Audio formats supported: MP3, WMA. Display type: LCD