d-JAYS combines Swedish design and patented in-ear technology for a perfectly balanced sound, with detailed highs, natural mids and extended bass. This without compromising on functionality, look and feel. So don¿t get stuck with those mediocre earphones bundled with your player Get the right sound!JAYS Sound Isolating System reduces the background noise of modern life. With this silent setting you can listen at reduced volumes without loosing the sound experience. Highly effective transducer technology allows lower input, thereby increasing battery time for your media player.