<p>With the JBL Headphones app, you can set custom volume limits, manage daily listening time, and receive detailed weekly or daily reports on your child’s listening habits. Made with soft silicone neckband, Junior Free headphones are built for comfort, stability, and independence. The oversized, durable buttons are made for little hands. <br><br>Up to 10 hours of battery life means long-lasting fun at home or on the go. They come in fun colors and include a JBL sticker set so your little rockstars can personalize their look. Great sound has no age limit.<br><br>Features:<br>JBL OpenSound with JBL Safe Sound &lt;85dB<br>Parental Control with Customizable Volume &amp; Playtime<br>Easy monitoring<br>Made just for kids<br>Up to 10-hour battery life<br>Kid-friendly controls<br>Reuse your pack<br><br>Specification:<br>Driver size: 18 mm x 11 mm Dynamic Driver<br>Power supply: 5 V⎓ 1 A<br>Maximum operation temperature: 45 °C<br>IP rating (earbuds): IPX4<br>Frequency response: 20 Hz - 20 kHz<br>Impedance: 32 ohm<br>Sensitivity: 90 dB SPL@1 kHz<br>Maximum SPL: 82 dB<br>Microphone sensitivity: -38 dBV/Pa@1 kHz<br>Bluetooth version: 6.1<br>Bluetooth profile version: A2DP V1.4, AVRCP V1.6.3, HFP V1.8<br>Bluetooth transmitter frequency: range: 2.4 GHz – 2.4835 GHz<br>Bluetooth transmitter power: &lt; 10 dBm (EIRP)<br>Bluetooth transmitter modulation: GFSK, π/4-DQPSK, 8DPSK<br>Weight: 24.6 g / 0.054 lbs<br>Battery type: Lithium-ion battery (98 mAh / 3.85 V)<br>Charging time: 2 hrs from empty<br>Music playtime with BT on: Up to 10 hrs<br>Talk time: Up to 8 hrs<br><br>What's in the box:<br>1x JBL Junior Free headphones<br>1x sticker set<br>1x Warranty / Warning (W / !)<br>1x QSG / Safety Sheet (S / i)<br> <br>Disclaimer: Some features require subscriptions or services not available in all countries.</p> <p>Hear your world, worry-free<br>JBL Junior Free wireless open-ear headphones bring JBL OpenSound to a whole new generation, at safe, parent-approved volume levels. Designed to keep young ears protected, they won’t go beyond 85dB and don’t block the ear canal, so kids stay aware of the world around them. <br><br>12 months Local Manufacturer Warranty</p> <p>Store in dry cool place.</p> <p>China</p>