Model Name: Cowin E7 Active Noise Cancelling Over-Ear Headphones OVERVIEW: The COWIN E7 Active Noise Cancelling Headphones have powerful Active Noise Cancelling Function. Significant noise cancelling for travel, work and anywhere in between. Advanced active noise cancelling technology quells airplane cabin noise, city traffic or a busy office, makes you focus on what you want to hear,enjoy your music, movies and videos.