The Coby CVE31 noise-canceling headphones are worn in-ear, staying firmly in the ear canal for spectacular bass response and overall sound quality. The Coby in-ear headphones are perfect for exercise because they remain snug even during quick movement of the body. These white earbuds are sleek and low-profile, making them the perfect choice for wearing while on the go. Additionally, they can be removed from the ear and hung either on a shirt or around the neck for easy access. The Coby in-ear headphones boast 9 mm neodymium drivers for deep bass. They utilize a 3.5 mm L-shaped stereo plug compatible with virtually all sound equipment and MP3 players. Because the Coby CVE31 headphones are designed to fit the wearer's ear perfectly, they act as sound-canceling devices, giving the listener isolation from the outside world and ambient noise. These noise-canceling headphones deliver a high degree of comfort, molding to the shape of the listener's ear. The wide range of frequency response makes these Coby in-ear headphones the perfect choice for audiophiles and casual listeners alike.