Power Source Battery Powered Music magic mode turns down the main voice of included songs or songs accessed through a mobile device Connects to MP3 players or mobile devices with the included audio cable so you can play songs from your own collection Includes six built-in games, a voice changer that has five different voice effects, fun sound effects and eight original songs Twist the disco light 180 degrees for bright and colorful light effects that create a great atmosphere for singing and dancing Kids karaoke machine includes a built-in recorder that records for up to five minutes Batteries not included. Will come disassembled for easier shipping