Active Noise Cancellation For Immersive Sound. Transparency Mode For Hearing What’s Happening Around You. A Customizable Fit For All-Day Comfort. Magic Like You’ve Never Heard. Refined The Details Of Comfort, Creating A New Class Of In-Ear Headphones With A Customizable Fit That Forms An Exceptional Seal For Active Noise Cancellation. You’ll Feel Your Music, Not Your Headphones.