Headphones on - World off. The crown jewel of our true wireless family, Air 1 ANC - Designed with music lovers, travelers and digital nomads in mind. Enjoy the silence in any environment with these Active Noise Cancelling (ANC) earphones. Hours of sound tuned to excellence with a stylish, unnoticeable and secure fit. Controlled by touch and up to 7 hours battery life that can be extended to 38 hours with the included charge case. Active Noise Cancellation - Hybrid ANC Technology composed of Feedforward and Feedback Noise Cancellation, reducing both the noise from outside and inside the headphones.