Fiber Optic Audio Connection Cable $ 5.15 Product information: Product connector: optical fiber square mouth square mouth Product name: Fiber optic audio cable Outer material: PVC Product model: BAEB Conductor material: PMMA (Polymethyl Methacrylate) 1.0mm Product color: black Thread diameter: 5.0mm Joint process: gold plating Packing list: Audio cable * 1