Active Noise Cancelling: Significant noise reduction for travel,work and anywhere in between.Active Noise Cancelling technology----turn off the noise cancelling mode by long pressing/tap the switch when you needed.Premium Sound Quality: 40mm high quality custom tuned drivers.Exceptional clarity throughout an extended frequency range,with deep,accurate bass response.Ultra Comfortable: Comfortable headphone padding.Wearing them all day long won't make you feel tired.90° swiveling earcups,professional protein earpad and headband material delivers more durability and comfort.Control at Your Fingertips: On-Board Mic pulse remote for taking calls,volume control and switching up playlists.Long Play Time: 40 hours playtime at Bluetooth mode. Enjoy music all the time when the battery dead using the 3.5mm audio cable. 12-month warranty and quick response & friendly customer service.