Mk-4&mk-401 all-in-one sing along video karaoke magic microphone jukebox with built-in 1,000 English songs. Key specifications/special features: 1. There are 1000 English songs inside the mic. 2. You can download the songs and pictures from the computer into mic and play. 3. Support multi-language songs: English, filipino, thai, korean, vietnamese, spanish, japanese, Chinese. 4. Can score automatically when you singing. 5. Two people can sing together with wireless mic. 6. Connect into TV directly and sing. No need any other player.