EARZONK Premium 15-Foot for Grado Headphone Extension Cable High quality 15-foot-long headphone extension cable designed as the ideal match for Grado and other high quality stereo headphones Premium OFC copper conductors with an ultra low-noise, triple shielded design Highly flexible and durable soft TPC cable jacket E-Z-grip two-shot molded ends with premium gold-plated male and female 1/4 [6.35 mm] stereo phono connectors Two-year US-based cable replacement warranty High quality 15-foot-long headphone extension cable Designed as the ideal match for Grado and other high quality stereo headphones Premium OFC copper conductors with an ultra low-noise, triple shielded design Highly flexible and durable soft TPC cable jacket Total End-to-End Length: 15ft or 4.575M Male Connector Length: 2.625 or 66mm Male Connector Diameter (Widest): 13mm Female Connector Length: 2.5 or 64mm Female Connector Diameter (Widest): 18mm Cable Diameter: 5.7mm