[Hybrid Active Noise Cancelling] With a maximum noise reduction depth of 45dB, Immerse yourself in your music without any distractions from the outside world and focus on what matters most -- your music. [6 Microphone Call & ENC Ambient Noise Reduction] Enjoy crystal clear call quality even in noisy environments, as the earphones actively filter out background sounds. Stay connected and enjoy seamless communication wherever you go. [Transparent Mode] Stay aware of your surrounding when needed, allowing you to hear important sounds without taking off your ear buds, making it safer for outdoor activities.