Portable CD player that supports MP3 discs so you can use it for audio books, home-made CDs or shop bought music - plus it can play CD, CD-R & CD-RW discs. Stop your CD and resume play when you are ready with resume function. Reads ahead on any disc by 40 seconds, in case of playback / jog interruption to give you smooth & continuous playback. Just insert your own batteries (2 x AA batteries required, not included).