Our portable Karaoke Player is a multi function product that is widely compatible with MP3, MP4, a wariety of audio formats. Enjoy singing at anywhere and anytimeThe world's first portable karaoke player, with music, video, singing functionsIt is a multi funtional product that is widely compatible with MP3, MP4, a variety audio formatsIt is a Karaoke player, it is a mp3, it is mp4, it is card ...