This product uses 3 AA batteries The Karaoke machine is made of eco-friendly plastic with bright color, sturdy and non-toxic, safe for your children to play Karaoke is a great party pastime. Kids and adults love to get down, dance and sing along with their favorite song A good karaoke party makes you feel like you're on your favorite performance reality show, or like you're a star. The karaoke stage microphone set adds a new dimension to your kids party time fun This cool Musical Microphone is lightweight and fits in hand very well. Brisk music can promote audiovisual of synchronous development. A Handheld microphones for music playing and singing It is a novelty gift for birthday party, family karaoke, which makes us sing anywhere leisurely. It's great for gatherings or Home KTV, and your baby will have a fun with her friends or family Colour: blue Age 3+ MP3 & Mobile Phone Player Connection wit adjustable volume and different melodies