Nike SHJ055 Sport Duro headphones, by Philips, are perfect for active people who donâ€™t like the intrusiveness of in-ear headphones. These headphones are designed with earhooks to stabilize earshells speakers keeping them snug to your ear â€“ even during the most rigorous workout. Swiveling earshells can be adjusted to fit comfortably. Earshells have 30mm speaker drivers â€“ delivering deep bass and big sound performance. Headphones have lightweight neckband with rear cable exit keeping cord away from moving arms and hands. Cord measures 1.2m (close to 4 feet) in length, giving you the flexibility to wear your audio device where it fits comfortably. Designed with neodymium magnet to enhance bass performance and sensitivity creating sound perfection.