About this item 【The Safest Option】: iClever kids headphones are highly recommended to protect sensitive ears with volume limiting, adopts food-grade materials. It won't cause any negative effect to your kids even after a long time wearing and touching. 【Perfect for Online Courses】: These Kids headphones wired work with the In-line microphone which are perfect for Online Courses and Voice calls. Just a touch of the multifunctional button, play, pause, answer, and end calls are all in control! 【Adjustable Headband With Toughness】: iClever toddler headphones survive the hard treatment of little kids. The headband is adjustable, making them accommodate a wide range of head sizes. Soft earmuffs deliver a comfortable feeling while listening. 【Compatibility & Satisfying Service】: With the standard 3.5mm headphone jack, works with Smartphones, Chromebook, Kindle Fire, Switch, iPad, Tablets and more. You are entitled to enjoy 24-hour Customer-friendly Support Service. Any questions please feel hassle-free to contact us.