5,000 Built In Songs - Mixed music selection of Pop, Rock, R&B and more! * 5 song pack expansion slots - Add more songs from song packs (sold separately) * Recording and Playback (saves to Recording Pack (sold separately) as MP3 files no converting needed) * Portable Karaoke - Simply plug and play to any TV (NTSC / PAL) using RCA connection, no additional hardware required * Real time scoring - scores display as a song is being sung