Introducing the Sony WH-XB910N EXTRA BASS Noise Cancelling Headphones. These headphones are perfect for those who are looking for an intense music listening experience. The headphones feature dual noise cancelling, which makes it easier to focus on the music. In addition, the headphones feature EXTRA BASS, which provides a deep, punchy sound. The headphones also come with a hands-free calling feature, making it easier to stay connected.