0.75mm 2 Pin Earphone Upgraded Cable Gold-plated Pin 3.5MM Silver-Plated Replacement Headsets Wire with Mic. Features superior sound quality, enhanced audio performance, convenient in-line controls, durable and reliable design, and user-friendly design. Made from oxygen-free copper and silver-plated materials. Specifications include 0.75mm pin, 3.5mm plug, and packaging size of 77*77*22mm. Note: Only silver-plated wire, not including headphones.