Aita BT804 Wireless Bluetooth Headphones with Built-in Mic, Foldable and Noise Canceling Headphones for Kids and Adults, Deep Bass Headset for iPhone, iPad, Smartphones etc (Black) Built-in rechargeable Lithium battery lasts up to 8-10 hours of music time, universally compatible with most Bluetooth-enabled phones. Works for iPhone, iPad, Android and Smartphones etc. Leatherette Ear-pads: Full tilt ear cups and soft leatherette foam ear pillows ensure supreme comfort. Connects to all Bluetooth ready devices - phones, computers, tablets and more. Includes optional cord so you can use your headphones on flights. Perfect fit for Children: extendible headband, comfortable and soft ear pads for little ears, recommended for Children ages 5+ to Adults. Adjustable in length to accommodate different sizes. Foldable compact design 90-degree ear cups provide extra flexibility, portability, and durability.