B. Okideoke (Microphone) Fun Singing Songs: The Microphone Contains Eight Tunes To Sing Along To, Or You Can Record Your Own Originals! Teaches Rhythm: The Okideoke Microphone Is A Fun & Educational Toy For Teaching Children Rhythm And Musical Patterns. Musical Discovery: Designed With Kids In Mind, A Switch Turns It On & Allows Children To Pick Between Different Modes. Get Creative: With So Many Various Modes To Encourage Original Ideas, Your Child Will Be A Musical Prodigy In No Time! Includes: 3 Aaa Batteries To Help Amplify Your Voice And Make You Be Heard Throughout The House.