Boasting an amazing battery life of up to 8 hours, the Razer Hammerhead Bluetooth is made to deliver non-stop high performance. Now you can get through your day without any worries, from your morning commute to your evening lounges. Each 10 mm dynamic driver is custom tuned to provide the sound signature that you love - from deep bass in electronic tracks clear to high notes in inspiring overtures. The Razer Hammerhead Bluetooth has built-in Bluetooth 4.1, which utilizes the renowned aptX codec so there's no compromise on sound quality. Indulge in exceptional audio as you never have to deal with the hassle of cables.