Classic Portable CD Player with MP3 Capability (CM544) Personal MP3-CD player with 45/120 second AM/FM digital tuner. 45 Second Anti-Shock- Audio / MP3; Anti-roll system MP3, CD-R, CD-RW Compatible. Bass Boost. Programmable track memory 24 track; Track / disc repeat; Intro scan / random play. Line out jack; DC jack; Program search / pause; Low battery warning; Stereo headphones.