Technosaur Headphones look as great as they sound! Connect to any compatible Bluetooth device, and enjoy up to 37 hours of continuous playtime between charges (charging cable included). Whether your little one likes listening to music, watching movies, or browsing YouTube, you can rest assured that the kid-safe volume level will protect their ears. Use the built-in parental volume controls to set the optimal listening level for iOS and Android. Makes a great gift for any fan of dinosaur toys!