Effortlessly enjoy audio with Coda Wireless Headphones. Soft, comfortable, padded headphones enclose you in your music, whilst on-ear controls and built-in mic let you take charge and take calls. Wireless Bluetooth:  The wireless design frees you from cords and wires and seamlessly pairs with your device for truly mobile sound. Premium Sound:  40mm drivers deliver rich, powerful sound song after song. 10-Hour Battery:  The 10-hour battery life keeps the music going long before you need to recharge. Built-In Mic: A built-in mic makes taking calls quick and easy while you're on the go. Convertible: Compatible with audio cords, the Coda Wireless Headphones come with a 3.5mm audio jack cord when you want to plug into your sound instead.