CHILD HEARING SAFETY MATTERS - Cheap earbuds can dangerously exceed the levels recommended by health experts. Volume automatically limiting under levels recommended safe for young children's eardrums. Perfect size for boys and girls ages 3 and up. All KPTEC kids headphones are limited to a maximum volume of 85db,Please note that Health Experts agree the volume of 85dB is maximum a kid should be exposed to DURABLE, ADORABLE, CHILD-FRIENDLY: Twistable, bendable, stretchable fun, made with food-grade material and tangle-free cords, soft touch, Environment-friendly and Children-friendly material, approved by RoHs, EN71,CPSIA,FCC.Perfect size and fit for children These headphones are lightweight and feature soft, comfortable earpads. Recommended for children ages 3-8. DESIGNED FOR SMALL HEADS & SAFE EARS -- Designed with an adjustable headband, snug pads and cushioned earpads without any sharp corners to give your kids comfortable wearing experience. Tips: In order to protect kids' tender skin, we recommend that the maximum time spent using headphones can be limited to two hours a day CHILDREN FRIENDLY FOOD-GRADE MATERIAL -- The headphone is made with food-grade material as well as being twistable, bendable. The 1.2m tangle-free audio cords are robust enough to survive toddlers yanking at them WIDE COMPATIBILITY -- Standard 3.5mm audio jack suitable for listening to music or audiobooks. Compatible with most of the Smartphones, PC and Tablets, such as iPhone/ iPad/ Samsung Galaxy/ LG/ Lenovo/ Kindle Fire/ Android Cellphones/ PC and more. LINKWIN offers 30 days money back & 6-month worry-free guarantee