Equipped with a gorgeous MIC, the children's headphones can pick up clear sound in real time without lag, which is perfect for online courses and audio conversation.Children's ears are vulnerable to sound damage, hence choose the 74dBA volume limiter for daily use. If the child is in a noisy environment like car or airplane, please adjust the limiter to 85dBA for crystal clear sound. Comfortable Earpads & Stereo Sound With a combination of soft ear cushions and 40mm drivers, these kids headphones deliver a full balanced stereo sound and comfortable listening experience. Premium Stereo Sound Crafted with HD 40mm driver to deliver clear, balanced sound, the iClever Teens headphones reproduce the sound of your favorite music, give an comfortable listening experience. Easy to Carry Thanks to the compact and foldable design, iClever children headphones are convenient to store and be taken for an enjoyable outdoor trip. Protect Child's Auditory System iClever kids headphones limiting the volume level at 74 dBA is based upon the highest safe exposure level to continuous 8 hours. The built-in microphone supports hands-free calling, especially video chatting with great ease. 3.5mm Universal Plug The wide-compatible 3. 5mm plug allow the headphones to be used with all 3. 5mm jack devices like Chromebook, Nintendo Switch, iPad, Smartphone, Computer, MP3/4, Kindle Fire Tablet, Study Tablet, Laptop, PC etc. The Studying Assistant Long hours listening to classes or music can bother kids' ears. We designed the HS19 children headphones with an adjustable headband and extra cushioning in the ears for an extra-comfortable fit. Additionally, the over-ear design further relieves the ears from any unwanted pressure.