About this item Robust and comfortable design: strong, durable materials to survive handling by kids yet lightweight for lasting comfort Bluetooth and Wired: Enjoy up to 12 hours of wireless battery life or use the included cable for unlimited audio on long trips Designed for sensitive children's ears: protects hearing by limiting volume to 85 dB without compromising sound quality Adjustable and foldable: the adjustable headband ensures a perfect fit as your child grows, and is foldable for easy storage and travel Sustainable and safe: 100% recycled packaging, no single-use plastics, waste-free production, only non-toxic materials