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 Internet, allowing quick and easy audio file transfer.
Play CD, CD-R and CD-RW discs
Philips is known for making products which are compatible with many discs available in the market. This audio system lets you enjoy music from CD, CD-R and CD-RW. A single CD can store up to 10 hours of music. CD-RW (CD-Rewritable Compatible) means that your audio system can play both CD-Recordable (CD-R) and CD-Rewritable (CD-RW) discs. CD-R discs are recordable once and can be played on any audio CD player while CD-RW discs can be recorded and rewritten multiple times and can only be played back on compatible audio CD players.