Detailed Product Description Unify PC Karaoke jukebox HKJ400 Main features:Support VCD, DVD, CDG, MP3G, MIDI karaoke Support latest MP4, DivX, Xvid, MKV karaoke! 320GB to 1500GB build-in song storage (can store 50K MP4 songs or 8K DVD songs or 200K CDG songs) 16x DVD rom can upgrade to DVD writer with CDG compatibility Add more songs via DVD rom/USB/SATA/Network port Support external storage ( ...