Yamaha PRO 500 Headsets. The PRO 500 earphones provide a sound so extraordinary GCo so real, so clear, so enveloping GCo it makes your pulse run faster and sends out shivers down your spine. It transports you to another time and place. The flagship of Yamahas PRO Series line, the PRO 500 earphones enclose robust 50 mm drivers in high-grade, rigid aluminum alloy earcups to provide the ultimate sonic experience. The drivers integrate a brand-new Yamaha-proprietary design featuring neodymium magnets that offer optimal effectiveness when used with mobile devices such as smartphones, tablets and other portable music players. The over-ear cup shape provides exceptional noise isolation, while the ultra-premium ear cushion materials guarantee a crisp, clear audio. The 4 ft cable includes an in-line remote/microphone optimized for use with Apple iPod, iPhone and iPad gadgets. The + and - buttons regulate volume for both music and call, while the center button permits you to play/pause music, skip to the next tune, skip to the previous tune, or answer/end call. The controller buttons offer a tactile click-response, enabling user-friendly operation without requirement for visual reference. For non-Apple gadgets, control habits differs due to distinctions in applications and pin configurations. Ultra-premium drivers, mobile-optimized for optimal effectiveness and efficiency Rigid high-grade aluminum alloy earcups Yamaha tuned for the ultimate listening experience Over-ear design for outstanding noise isolation Resilient build Adjustable headband and soft ear Compact folding design for simple storage Dual input/output ports for versatile connectivity Semi-rigid bring case Detachable tangle-resistant flat cable (4 ft/1.2 m) with in-line remote/mic optimized for Apple gadgets Detachable tangle-resistant flat cable (10 ft/3 m) Gold-plated 1/4" adapter Materials: Plastic. Dimensions: Cord: 48"L, Detachable Cord: 120"L Weight: 13 oz.