JBL SAFE SOUND (<85dB): These headphones are designed to not exceed 85dB, making them safe for even the youngest music lovers. Comfortable, durable, and designed for kids: The JBL Jr310 headphones feature ultra-comfortable ear cushions and a headband in brilliant colors, built to last! Built-in microphone: Help your kids stay connected to the world with the built-in microphone. They can easily chat with friends and family during their downtime, or with teachers while they're busy learning. Ultra-portable: The compact, foldable design and flat, single-sided cable with a built-in microphone and remote make music and games extremely portable. Customizable: Kids can customize the headphones using the stickers included in the box. Included: JBL JR 310 headphones, one sticker set, one warranty card, and one warning cardJBL SAFE SOUND (<85dB):