The Doctor Who Bluetooth Headphones are built for comfort, function, style and sound quality. Their leather ear pads and adjustable headband ensures a universal comfortable fit. The built-in noise canceling microphone captures your voice perfectly for gaming or talking on the phone. On board buttons allow you to have full control over music, phone, mute and volume. The rechargeable battery has a 30 hour, of constant music, capacity and is easily charged via USB. The oversized 57mm speakers produce superb sound quality and even include a Superbass button that will deliver hard hitting bass worthy of Time Lord technology.