JBL Safe Sound <85dB JBL Junior 320 headphones are designed to never exceed 85dB, making them safe for children's ears. Built-in mic JBL Junior 320 headphones feature a built-in microphone to help your kids stay connected with the world. They can talk with teachers while they're learning, or chat with friends and family during their downtime. Fit for kids JBL Junior 320 headphones come in two fun colorways and have durable, child-friendly controls that are easy and safe for kids to operate. The headband features a 12mm thick soft pad for long-wearing comfort. And their round earcup design offers improved grip and less sound leakage, so kids don't need to turn them up louder to compete with outside noise. Features Make it yours with JBL stickers The plastic-free packaging includes a playful JBL sticker set so kids can personalize their headphones. Ultra-portable JBL Junior 320 headphones' compact design folds flat, making them easy for kids to stow in a bag or backpack. Specs Great sound—safe volume JBL Junior 320 wired on-ear headphones introduce a whole new generation to JBL sound at volumes that are safe for their ears. They won’t go beyond 85dB, protecting young listeners from dangerous sound levels. Designed for young listeners, the JBL Junior 320 are comfortable to wear, with durable oversized controls that are easy for even the littlest hands to use. A built-in mic lets kids chat with family, friends, or teachers easily. The headphones come in two fun colorways and include a JBL sticker set so your little rockstars can personalize their look. Great sound has no age limit. General Specifications Dynamic driver 32mm Maximum operation temperature 45°C Audio Specifications Frequency response 20Hz-20kHz Impedance 34ohm Sensitivity 78dB@1kHz Microphone sensitivity -40 dBV/Pa@1 kHz Dimensions Weight 116.8g Ear cushion outer length (mm) 67.5 Headphone width (mm) 67.5 Ear cushion height (mm) 16.28 Ear cushion inner length (mm) 28.5 Ear cushion inner width (mm) 28.5 Control and Connection Specifications Plug 3.5mm audio jack What's in The Box? 1 x JBL JR 320 headphones 1 x sticker set