[Hi-fi stereo sound&Built in microphone ]: Stereo kids headphones with excellent sound effect, the best choice for your children to study, listen to music, watch movie, play game, talk with friends and have fun, no matter at home, in school or travel. Built-in microphone is convenient for kids' on-line learning and communication at home. | [Ajustable volume control ]: features distinct switch that can control volume to 85Db and 94Db, better to protect your child's hearing and answer phone call while using with Phone. When your kids are in a noisy environment, such as plane, subway, and more, just switch the volume limit to 94dB to hear more clearly sound. | [Ajustable Headband&Lightweight Design ]: the ajustable headband can let you get a perfect fit for your head shape.with the soft cushion protein earmuff,it is not only let you feel very comfortable,but also let you minimize tiredness.a lightweight design fot kids age3 and up.it is pretty light but sturdy and comfortable on the ears. it stay put and block outside noise. | [Foldable & Durable Design]: The headphones with microphone is built meticulously with strong and sturdy plastic for long-lasting resilience and durability.foldable design for a more compact storage,it is convenient to carry,you can easily put it in the suitcase and bag. | [Wide Compatibility & Supporting]:the wide-compatible 3. 5mm plug allow the headphones to be used with all 3. 5mm jack devices. 12-month Hassle-Free-Protection ,it is very easy to reach customer svervice.