The plug is gold plated for resistance to plugging and unplugging and long life. FENGRU Ripple 8 Strand 240 Cores Silver plating single crystal copper Wire MMCX 2Pin 0.78mm QDC... [Lossless] Earphone upgrade cable uses OFC core with excellent sound transmission ability to prevent sound distortion, reduce signal transmission loss and provide lossless sound quality. Balanced Headphone Cable Male 4 Pins XLR to 2x Mono Male Jack 2.5mm Silver Plated OFC Copper 1 3.5mm Upgrade Cable , Replacement Headphone Upgrade Cable OFC Core Soft Noise Reduction For 2 Pin 0 Headphone Cable Pre formed ear hook design, fit your ears, not easy to fall off during sports., [3., 5mm Sound Plug] For IE40 Pro earbuds cable with 3., 5mm plug works with most phones, tablets, laptops and other sound devices. Goshyda IEM Upgrade Cable 2 Pin 0.78mm to 3.5mm, OFC Braided Replacement Cable for ZS10 PRO AS24 AS16, CCA, TRN Earphones [Soft And Comfortable] Headphone replacement cord has a rigorous production process, soft and flexible, not easy to knot, stylish and elegant. Improve resolution and separation of the headphones, eliminate dull bass, restore real sound, the sound is more transparent and natural.