Izici: – Heavy duty components. – High Grade Oxygen Free Copper (I-OFC) for effective EMI and RFI rejection and flexibility. – Durable and flexible Braided Nylon outer sleeve. – Inside aluminum foil shielding layer to reduce interference, for a better fidelity effect. – Gold Plated Reinforced Male Plug Delivers Preimum Quality Sound with Minnimal Interferance.