A beautiful design 2-in-1 audio headphones to listen to your music wirelessly in Bluetooth 5.0 (up to 10m range) or plugged in with the removable jack cable. Brand: Marvel Kids safe: sound limited to 85 dB to protect the ears of children Built-in microphone, play/pause & volume buttons to control your music & answer phone calls Compatible with all smartphones, tablets, audio & video playersEquipped with Bluetooth or with a 3.5mm audio jack output for headsets Rechargeable battery: several hours of battery life in wireless mode. Unlimited playing time in cable mode Robust, lightweight, & foldable, it fits in a bag & can be taken anywhere: at school, when traveling Adjustable, it adapts to all head sizes This is not a toy Age suitability: 4 years+ Marvel 2-in-1 Bluetooth® & Wired Comfort Foldable Headphones with Kids Safe Volume - Spiderman