Multilanguage songs of a hundred thousand over ,Korean/Chinese/Filipino/English/Hindi/Vietnamese/Cambodian/Taiwan/Japanese/Spanish/Indian… Song-search is more convenient with reasonably arranged buttons Languages/alphabet/title/singer/mp3/MTV/support Midi songs vocal songs(mp3/wma) MVV function (music video voice) Dual layer disc,USB and SD card karaoke Useful one-touch for song and new song search Reserve 128 songs&display reserved songs Storage 256 favorite songs & display Changing tone/rhythm/tempo/key/melody of songs Support subtitles shadow BGV selection mode Jump prelude/interlude& skip over songs Serials play function by various genre & selection Professional scoring system There are many options of midi ic chips inside for commercial and family users