MP3-CD playback means MP3 plays like a normal audio CD.
MP3 stands for "MPEG 1 Audio layer-3".MP3 is a revolutionary compression technology by which large digital music files can be made up to 10 times smaller without radically degrading their audio quality. MP3 has become the standard audio compression format used on the world wide web, allowing quick and easy audio file transfer.
20-track CD programmable
The CD progammable playback feature allows you to enjoy your favorite tracks in the sequence you want.