About this item [Hi-fi stereo sound & Built-in microphone]: Stereo children's headphones provide excellent sound quality, making them ideal for studying, listening to music, watching movies, playing games, and communicating with friends, whether at home, in school, or while traveling. The built-in microphone is convenient for online learning and communication. [Adjustable volume control]: Features a distinct switch that controls volume at 85dB and 94dB, better protecting your child's hearing while allowing phone calls. In noisy environments like planes or subways, switch the volume limit to 94dB for clearer sound. [Adjustable Headband & Lightweight Design]: The adjustable headband ensures a perfect fit for your head shape. With soft cushion earmuffs, they provide comfort and minimize fatigue. Designed for kids aged 3 and up, these headphones are lightweight yet sturdy and comfortable on the ears, staying in place while blocking outside noise. [Foldable & Durable Design]: These headphon