LOL Surprise Bluetooth Headphones are the perfect gift for kids! Wirelessly Stream audio from a smartphone, tablet, or computer Built-in rechargeable battery provides up to 24 hours of continuous playtime Volume reduced to ensure safe listening levels Bonus detachable 3.5mm audio cable connects to any device with a headphone jack Built-in microphone for talking to friends and family Adjustable headband and padded ear cushions for custom fit Foldable for portability