Velocity Toys VT Mini Star Music Show Children's Kid's Toy Stand Up Microphone Playset w/Built In MP3 Jack, Speaker, Adjustable Height VT Mini Star Music Show Children's Kid's Toy Stand Up Microphone Playset 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) Microphone Includes Built-In MP3/Phone Jack Speaker Included, No Audio Attachments Needed Volume Control Knob For Choosing Volume of Music/Singing Adjustable Height MP3/Phone Audio Jack Play your own personal favorite songs, you choose the playlist Volume Control Knob Control The Volume Of Your Superstars Concert Requires 3 AA Batteries to run (not included) Approximate Size 16.8 x 8.3 x 3.1 inches Suggested For Ages 3 And Up