Built in Microphone, Hi-fi Stereo Sound: The kids headphones with mic is convenient for kids' on-line learning and communication at home; Stereo kids headphones with excellent sound effect, the best partner 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 (NOTE: The built-in microphone DOESN'T work on desktop computer) | Distinct Volume Control Switch: Features distinct switch that can limit volume to 85Db and 94Db, better to protect hearing of your child and answer phone call while using with Phone; While in a noisy environment like car or Aero plane, the volume can be adjusted to 94Db for clear sounds | Happy Sharing, 3. 5mm Plug: The kids headphones provides easy access to 2 devices simultaneously connected, for a delightful sharing with friends and families; No more splitter is troubled; And the widely compatible 3. 5mm plug allows the headphones to be used with all 3. 5mm jack devices | Comfortable Fit: The plush circular cups fit perfectly on your ears and provide a comfortable listening practice you can use all day; Pinch-free hinges protect your little one’s fingers; The easy adjustable headband allows you to get the perfect fit; The headband is also made of plush leather material, so soft and light that you might forget you are wearing headphones | Support: Mpow headphones offer quick customer service, for any questions while using, please contact us at any time via email or through the contact information on the instruction