Features 2 wireless microphones 1 mic inputs Sd/usb Recording function Video in(optional) Digital echo Key control(for midi, wma karaoke and mp3) Voice cancel(for wma karaoke and mtv) Vocal partner(for wma karaoke and mtv) Tempo control(for midi, wma karaoke) Melody on/off(for midi karaoke) Lyric on/off(for midi, wma karaoke) Scoring system(for all karaoke) Support coin function(optional) Special an advertisement function Play movies Perfect mini design to give you a desire for singing Support multi-international languages:english, chinese, japanese, korean, cantonese, taiwanese, philippine, turkish, spanish(latin), russian, thai, cambodian, vietnamese, indonesian, arabic, persian, brazil, hindi(indian language), myanmar(burmese, optional) etc. Song programming (reservation) up to 99 songs Reserve 360 favorite songs in favorite category Input greeting message to appear on tv screen during interlude Change the lyrics position Remember reserved song number even if restart the system(optional) Display song title, singer, song number on one screen menu when search songs Adding mtv songs easily