CowBoom – Comfortable in-ear design High quality, earbud-style headphones with soft silicone tips that rest gently in your ears. * TriPort acoustic headphone structure Proprietary Bose technology produces a full range of sound, including lower notes, in a compact in-ear design. * Extensive compatibility angled plug fits directly into most MP3 players, including iPod and iPhone models, as well as laptops and portable CD and DVD players.