Quality audio, surround yourself with spectacular sound thanks to a free-edge speaker and optimised sonic cavity engineered for richer, clearer acoustics Comfort and style you’ll want to wear all day. From San Francisco to Shanghai listen in comfort and style. Settle in your commute, your work day or your flight with a soft, breathable ear cups and a balanced fit Easier and more natural to use. Your voice and your fingertips and your controls, so you never have to reach for your device or fumble for a cord. Intuitively twist a dial or tap on-ear sensors to skip a song, answer a call, or turn up the volume. If you are super busy and forget to pause your music, no need to worry your headphones do that automatically when you take them off Battery life: Up to 15 hours Built in Microsoft Cortana Assistant