Dynamic earphones are a must for true-to-life audio experiences. Applies over 60 years of audio expertise. Exclusive KG534 dual-balanced armatures. Patent-pending Contour Ear Gels accurately fit inside the human ear canal for amazing comfort and excellent noise isolation. Patent-pending earphone nozzles prevent tips from getting lodged in the user's ear. Flexible ear wire system mold precisely around ear for a perfect external fit. Adaptable ear wires let users experience full or partial noise isolation a great safety feature for on-the-go users. Reliable strain relief at every cable connection point to avoid wire damage. Cloth cable with Wireguard: cloth weave over PVC jacketed signal cables prevent cables from becoming exposed.