2nd generation) with USB-C deliver up to 2x more Active Noise Cancellation than the previous generation, with Transparency mode that enables you to hear the world around you, and all-new Adaptive Audio that dynamically tailors noise control to your environment. Conversation Awareness helps lower media volume and enhance the voices in front of you while youre interacting with others. A single charge delivers up to 6 hours of battery life. And Touch control lets you easily adjust volume with a swipe. The MagSafe Charging Case is a marvel on its own with Precision Finding, built-in speaker and lanyard loop.