Safe Listening with Volume Limit – Designed for kids with a maximum volume limit of 75dB (home mode) or 85dB (travel mode) to protect young ears. Adjustable via the Philips Headphones app in line with EN 50332 safety standards. Fun LED Lights & Kid-Friendly Design – Colorful earcup LEDs let kids show off their style. Soft cushioned ear cups, adjustable headband, and big easy-to-use buttons make them comfortable and simple for children. Wireless Audio Sharing – Kids can share music wirelessly with friends who also have Philips TAK4200 headphones using the daisy-chain audio share feature—perfect for travel, playdates, or study time. Durable, Foldable & Travel-Ready – Made from non-toxic, tough materials to handle everyday use. Fold flat or inward for compact storage in backpacks, pockets, or drawers. Long Battery Life & Clear Calls – Up to 45 hours playtime on a 2-hour charge with USB-C. Built-in microphone with noise reduction for crystal-clear calls with family and friends. Supports Bluetooth 5.4 multipoint pairing for easy device switching.