Plays MTV(MKV, AVI, MP4, DIVX), MIDI, MP3 Huge International Songs Library for Karaoke High-End Quality Karaoke Music Full HD(1080p) Background Video for Karaoke Clear Full HD Graphic UI Background Video Change Easy Song Search with On-Screen Song List By Country By Title By Singer By Alphabet Order By Kinds of Song (New Song, Popular, Vocal, Chorus, Training, MTV song, etc) By Alphabet Input for Title and Singer Name By Song Number Input By Song Book 2 Mic Input with Volume and Echo Control Tempo Control for MIDI Key Control Volume Control Song Reservation up to 100 Songs 1st Song Reservation Favorite Song Saving with 10 Group each 50 songs, Total 500 songs. Vocal Cancel function Melody Small/Middle/Strong/Off Scoring Function Score Ranking Display Lyric On/Off function Repeat Function(One/ Random/ Continue/ Off) Replay Function 1st Verse Playback control EQ Control Ruby (Alphabet Pronunciation) for Chinese / Korean Song Applause Function Welcome Message Input Function Coin Control Function Support HDD up to 2TB New Song Upgradable Firmware Upgradeable