Philips SWA2150W27 3.5mm M-3.5mm F Headphone Extension Cable Coiled (20 feet, Black) Philips 20 ft 3.5mmM-3.5mm F Headphone Extension Cable Black Coiled SWA2150W27 This cable provides a reliable audio connection between components Nickel-plated connectors for reliable contact Bare copper shielding. High purity copper conductor for reliable signal transfer Non-slip ergonomic grip for easy use Molded plug for secure connections Flexible PVC jacket Rubber strain relief