Mid a. N. C. Is an active noise cancelling headphone with Bluetooth aptX technology. It delivers superior wireless audio dampening the sound around you, letting you enjoy what matters most - the music. It offers up to 20 hours of wireless playtime when active noise cancelling is engaged or 30+ hours of wireless playtime without ANC. Its custom 40 mm dynamic drivers lend a robust sound that balances clarity with just the right amount of bass - perfect for those who demand the best in audio. The on-ear design features a plush headband wrapped in soft microfiber, 3D hinges that produce an ergonomic fit and Black anodized metal detailing that gives this headphone its iconic look.