The Disney Frozen microphone is great for rocking out and singing your heart out when singing along to songs. Compatible with any MP3 player (MP3 player not included) sing along to any song you like; this microphone has built-in speakers. It also has flashing light effects and features your favorite characters Elsa and Anna on the front. Become a Star: Sing your favorite songs and become a star in your own performance. Perfect Gift: This will make the perfect gift or birthday present for anybody that loves to sing or loves Frozen.