These Happy Plugs headphones keep your kids' ears safe by capping the volume at 85 Db, so your little ones are safe from ear damage. And with 25 hours of battery life, your kiddos can happily listen to music or watch funny videos without interruptions. And if they run out of juice, just 10 minutes of charging gives you an additional 5 hours of battery life. That's pretty handy. Good to know- The built-in mic helps them take calls or join online classes hands-free- The USB cable lets you daisy-chain headphones together, so you can watch movies or listen to music with a friend- Having 82% noise cancellation means they can enjoy their activities without getting distracted- The special Biomaster antimicrobial shielding prevents the growth of bacteria, so your earbuds stay hygienic