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. On-Ear Controls:On-ear controls are intuitively designed to sit where you’d naturally reach for them, keeping music and call controls right at your fingertips. 12-Hour Battery:The 12-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 Impulse Wireless Headphones come with a 3.5m audio jack cord when you want to plug into your sound instead. Passive Noise Isolation:AeroFoam padding on the earpads provides hours of comfortable listening as well as passive noise isolation when you want to tune out.