The KH22B kids headphones with an adjustable headband that can be adjusted to the size you need. With the foldable design the kids headphone is portable you can bring it anywhere you like. The LED light-up kids headphone with 3 light modes you can choose the light modes from Blue Green and alternate flashing you can choose the one that you like and make it looks different. The KH22B kids headphone is made of FDA approved non-toxic material FEA certified for toys with super soft cushions it is very comfortable to wear and won t push ears. The kids headphone is a built-in mic which is perfect for online classes singing and video recording making learning fun.