Key Features • Excellent sound quality with industry-leading NC noise cancellation technology. New improved algorithm with HD Noise Cancelling Processor QN1 and new Bluetooth chip • Enjoy high-quality music with DSEE Extreme • Smart listening with sensing technology • Enjoy the speak-to-chat function to start conversations with ambient sound control and detect when the headset is worn • A design that gives you enhanced comfort thanks to the redesigned headband shape with a thinner head pad and more precise headband adjustment