Mini Star Music Show Children's Toy Stand Up Microphone Play Set w/ Built In MP3 Jack, Speaker, Adjustable Height Mini Star Music Show Children's Toy Stand Up Microphone Play Set Plug In your MP3 Player, Phone, etc. to Play and Sing Along to your Own Tunes! Working Microphone and Speaker with Volume Control Knob! Adjustable Height, Built In Phone/MP3 Player Stand, Phone/MP3 Player not included Requires 3 AA Batteries to run (not included)