The Marvel Batman Kid Safe headphones are remarkably cute! Your little ones will be one with the force in these. feturing kid-friendly volume limiting technology to protect hearing aux-in headphones with adjustable headband & padded earcups compatible with 3.5mm inputs on smartphones, tablets, volume protection & stylish Marvel Batman designs are made for small ears! This amazing Batman headphoneis a perfect gift for Batman lover. -Safe for kids. -High quality Sound. -Adjustable headband