Kids Karaoke Sing Along Stage Microphone - Flashing Lights with Auxiliary Cable to Connect to Your Mp3 & Smart Devices - Adjustable Mic Stand Adjustable Height, Built In Phone/MP3 Player Stand, Phone/MP3 Player not included Sing along detachable karaoke microphones Adjustable Height 24 in - 38 in tall Microphone: 7 in x 2 in Requires 3 AA Batteries to run (not included)