Safe, lightweight and sized for kids, the JBL JR310BT wireless headphones deliver up to 30 hours of JBL legendary sound for even the youngest music fans. The headphones are designed to never exceed 85 dB for hearing protection. They are equipped with a cable with a microphone that does not get tangled and controls that can be easily operated by children. Comfort is provided by the upholstered soft headband and earpads. The JBL Jr310 headphones can be customized with the included, reusable stickers for even more fun!