Adopts high-purity oxygen-free copper (OFC) wire • High-performance plug with gold-plated finish to ensure secure installation to outlets; Non-winding for sound quality by eliminating hearing frequencies; Composition: 2-core shield; Core: Oxygen-Free Copper (OFC) 0.01 inch (0.26 mm) × 66 conductor cross-section: 3.5 mm square; Insulator: Semi-division. Hard PVC (White, Black. Inner sheath: PVC (black); Outer sheath: PVC (black); Inductance: less than 1.1μH/m; Cable outer diameter: 0.4 x 0.5 inches (9.1 x 13.4 mm); Cable length: 5.9 ft (1.8 m); Plug: Gold plated; Rating: 125V/15A; Standard: Approved by Electrical Appliance Safety Act.