On-ear headphones with over-the-head band and cushioned earphones keep your little ones comfortable even during long hours of use Wireless design with Bluetooth technology seamlessly pairs with compatible computers, smartphones, tablets, and other devices (sold separately) within a 10m (30 ft.) range Volume cap feature limits the volume levels to 85dB to help protect your child's ears from damage Integrated rechargeable battery lasts for up to 30 hours when fully charged, so it can last the whole school week on a single charge Intuitive controls provide easy access to play/pause music, mute, and answer hands-free calls on your smartphone Accident-proof construction with sturdy materials ensure long-lasting use Compatible with various learning apps and devices for added functionality