About this item Ajustable Headband: The adjustable headband allows for a perfect fit for your head shape. With the soft cushion protein earmuff, it provides great comfort and minimizes tiredness. Lightweight Design: A lightweight design suitable for kids aged 3 and up. It is sturdy and comfortable on the ears while effectively blocking outside noise. Foldable Design: The foldable design allows for compact storage, making it convenient to carry. You can easily put it in your suitcase or bag. Durable and Tangle-Free: The nylon braided cord is 4.2 feet in length, ensuring durability and a tangle-free experience. Wide Compatibility: The wide-compatible 3.5mm plug allows the headphones to be used with all 3.5mm jack devices, including smartphones, laptops, tablets, and car DVD players. Note that for iPhone 7 and above, as well as iPad Pro 11 and 12.9 models from 2020, a lightning to 3.5mm jack adapter is required. Size: 6.9 x 2.6 x 5.9 inches.