Emerson MM207E Dual Plug 'N' Sing Karaoke Microphones with Elvis' Christmas Songs Includes 10 of Elvis's favorite Christmas songs & video background with authentic photographs Echo control & 30 karaoke Holiday songs on DVD 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