Designed for kids Part of the JR320 BT series On-ear design offers a comfortable, snug fit while delivering clear sound and reducing bulk for easy portability Bluetooth 5.3 technology ensures a highly efficient wireless connectivity 30mm drivers deliver clear, dynamic sound with a balanced range JBL Safe Sound protects your kid's hearing by limiting volume levels to below 85dB Built-in mic enables hands-free calls and voice control, enhancing convenience and usability Easy-to-use oversized controls allow for convenient use Parental control with customizable volume and playtime allows parents to manage screen time and audio levels for their children 50-hour battery life makes it perfect for long trips or extended use without frequent recharging JBL Headphones app lets you set volume limits and daily listening time to protect hearing and monitor audio habits