Active Noise cancellation: Activate Active Noise cancellation mode to experience pure sound, thanks to the noise reduction up to -25dB. Quad mic: Experience crystal clear calling from anywhere with quad mic. Transparency Mode: Pay attention to your surroundings without taking your earbuds off. Just triple tap to activate Transparency mode. Immersive sound: Enjoy clear sound with 10mm speaker drivers. Perfect fit: The ergonomic design with soft, silicone tips ensures comfortable fit all day long. 20-hour playtime: Air Buds Pro offer a playtime of up to 4 hours on a single charge and an additional 16 hours making a total play-time of up to 20 hours with the charging case in Basic mode. And 3.5 hours on a single charge with additional 10.5 hours in ANC mode.