Functional and amusing, the KIDdesigns Barbie over-ear Bluetooth headphones make a wonderful accessory for kids. The 45 hour battery life provides hours of non-stop listening experience, and the volume limiting feature protects your little ones' ears from harmful sound levels. The attractive Barbie theme will capture the attention of your kids. Enjoy up to 37 hours of continuous playtime between charges, or use the included 3.5mm audio cable when Bluetooth is not available. | KIDdesigns Turtles Over-Ear Bluetooth Kids Headphones - Green