<h4>JBL Jr 310Bt Ultra Portable Kids Wireless On-Ear Headphones With Safe Sound - Built In Mic - 30H Battery Green unisex</h4> <h3 data-start="44" data-end="63">Highlights</h3> <p data-start="64" data-end="140"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">The JBL Junior 310BT offers a kid-safe, user-friendly audio experience with <strong data-start="76" data-end="103">volume limited to 85 dB</strong>, protecting young ears while providing “legendary JBL sound.” Powered by <strong data-start="177" data-end="194">Bluetooth 5.0</strong>, these lightweight headphones (just <strong data-start="231" data-end="240">115 g</strong>) deliver <strong data-start="250" data-end="268">up to 30 hours</strong> of playback on a single charge and support <strong data-start="312" data-end="330">quick charging</strong>—a 5-minute boost gives about 2 hours of listening time. Designed for children, they feature a <strong data-start="425" data-end="449">soft padded headband</strong>, <strong data-start="451" data-end="486">foldable design for portability</strong>, <strong data-start="488" data-end="515">child-friendly controls</strong>, and come with a <strong data-start="533" data-end="556">built-in microphone</strong> and fun sticker set for personalization</span></p>