The Koss GMR-540-ISO Closed-Back Gaming Headphones are specifically designed and engineered to create an isolated environment for complete gaming immersion.The GMR-540-ISO features new custom tuned elements and closed-back design, the GMR-540 ISO Gaming Headphones deliver the isolating 3D sound game developers intended.An ultra lightweight design with an all-new custom fitting sling allows the GMR-540-ISO to be worn for hours of gaming and extended use. The over-ear design has the iconic Koss “D-Profile” earcups that mimic the shape of the ear to create the perfect seal and lasting comfort.The GMR-540-ISO also features a detachable cord design and comes equipped with two cords: an 8-foot extended cable with a boom microphone (with separate audio/voice plugs) and a 4-foot standard headphone cable with the Koss 1-touch microphone (with standard 3.5mm plug).GAME CHANGING AUDIOExperience immersive 3D audio with custom tuned elements engineered with the sound of KossULTRA LIGHTWEIGHT DESIGNAn all-new custom fitting sling and lightweight design allows the GMR-540-ISO to be worn for hours of gaming and extended useCLOSED-BACK DESIGNThe Koss GMR-540-ISO Closed-Back Gaming Headphones are specifically engineered to create a realistic environment for immersive gaming experiencesSpecifications: