MK-5&MK-501 MK5&501 All-in-one sing along video karaoke magic microphone jukebox with built-in 2,500 english songs. Key Specifications/Special Features: 1)Built-in 2,500 English songs 2)Records your singing and play it back instantly 3)With moving pictures background supported, and you can setup your own background pictures from your PC via the USB connection port 4)No need for a karaoke player,all you need is a TV video and audio input (red,white and yellow) 5)Mic transmits: music,lyrics and video 6)NTSC/PAL video output 7)No more laser discs,DVD or VCD required 8)Gives score after each song 9)Can adjust the key, tempo, echo and more 10)Holds up to three song chips 11)Duet microphone function: auxiliary microphone is connected to the main microphone to sing together(optional) 12)You can also purchase song chips for the following languages: Japanese English Spanish Korean Chinese Filipino Brazilian Thai Indonesian Vietnamese with more to come 13)Basic units includes: magic mic, free songbook, RCA cable, A/C adapter, leather carrying case