iriver SlimX iMP-400 CD / MP3 Player (Silver) Supports MP3, WMA, and ASF formats as well as discs burned with Winamp playlists iRiver wraparound headphones included 4-line LCD offers plenty of track and disc information Plays discs in Packet Write format so you can use CD-RW discs like PC hard disks Upgradeable firmware allows compatibility with additional formats in the future