Puro Sound Labs JuniorJams are designed to protect young ears while providing the ultimate listening experience. The JuniorJams limit volume to 85 decibels (safe for up to 8 hours of listening per day) to help prevent noise-induced hearing loss, while Puro Balanced Response Curve technology offers premium sound even at low volumes. Our headphones are designed with growing kids in mind – they feature an adjustable headband to grow with kids and teens, padded ear cups, and a lightweight design to avoid added pressure on little ears. A single charge provides 22 hours of wireless playtime (and the included cable allows for wired play) and the headphones fold flat for easy travel and storage. JuniorJams offer easy Bluetooth pairing with virtually all digital music players, smartphones, and tablets. They also make sharing easy with an included daisy-chain cable that connects two headphones to a single device – that means no more fighting over whose turn it is to watch or listen.