Over-ear headphones are sized just right for kids, equipped with simple controls, and built with durable, child-friendly materials 32mm drivers and JBL Safe Sound deliver high-quality audio with a volume limit of 85dB to help protect young ears Active Noise Cancelling technology helps to block out distracting noises so kids can focus on the sound of their music, game, or online lessons Bluetooth 5.0 with a multi-point connection ensures a reliable wireless connection between multiple devices while the detachable audio cable enables a universal wired option Built-in mic allows kids to be heard quickly while chatting with friends or communicating with their teachers Battery recharges in just two hours and delivers up to 20 hours of playback time (or 30 hours with ANC off) on a single charge Google Fast Pair function connects immediately to your Android device and to multiple devices by tapping on each screen