Over-ear type headphones offer immersive audio experience through enhanced noise isolation Truly wireless design, powered by Bluetooth and RF technologies, provides reliable and versatile connectivity Passive noise-cancelling type effectively blocks out external noise to keep you focused on the audio 40mm drivers deliver high-quality sound Built-in microphone enables hands-free communication through compatible devices Volume control and play/pause buttons allow for easy operation Silicone air cushions provide a comfortable and secure fit Volume limiting feature prevents the risk of hearing damage to kids due to unsafe volume levels Foldable design and included carrying case make this accessory highly portable 45 hours of battery life on single charge makes you least worried about recharging and related hassles Fancy Barbie theme adds an interesting touch to these headphones