LIMITED VOLUME 85 db, PROTECT YOUR KIDS LISTENING: the headphones is volume limited maximum 85 dB for kids. Now all girls and boys can enjoy their favorite content without endangering their hearing. | AMAZING MUSIC EXPERIENCE AND 500mAh BATTERY: 40mm dividers with EQ techlogy,produce high quality sound, we improved the battery up to 500mAh, it can last up to 6-8 hours and you can still use it with the audio jack when the battery runs out. | TRAVEL PARTNER: Adjustable headband and soft-padded cushion ensuring a perfect fit for growing kids, foldable design makes it great for pack it at bag | HIGH COMPATIBLE WITH MOST DEVICE: quickly pairing with iphone, android cellphone,tablet, PC and other bluetooth devices. | IDEAL GIFT FOR YOUR LOVELY KIDS-charming colour and high quality sound, best gift choice for your toddler,children or grandkids(ages over 3). You will enjoy 30 days 100% money back guarantee, 6-month replacement warranty, 24-hour Customer-friendly Suppovice.