Reduced Noise, Better Sound, Active Noise Cancelling Technology. Hear every word, note, and tune with incredible clarity. Whether you are taking a long-haul flight or commuting to work, the ANC function can cancel out a wide range of low and mid frequency noises such as the aviation environment and car engines, so you can focus on what you want to hear. | Movssou | | Classic E7 Bluetooth Active Noise Cancelling Headphones with Upgraded HD Sound Vivid Deep Bass | Best Buy