Plug N Sing DVD Dual Plug 'N' Sing Microphone Karaoke System with Original Jonas Brothers Karaoke on DVD Features echo & volume control Karaoke disc with 30 Jonas Brothers songs Plug N Sing handheld karaoke microphone with echo Connect the microphone to any DVD player & TV to create an instant karaoke machine Includes songs that allow the singer to turn vocals on & off with the remote