This mini toslink cable is covered with nilon net. More durable, beautiful and sturdier. Supports 5.1 digital surround sound. ^^ Higher quality alloy housing, 24K gold plated connector, resist corrosion and high fidelity signal transfer. ^^ Please remove the dust cap before use and be careful when you unplug it from mini toslink port. ^^ Please note that this cable will NOT plug into standard 3.5 mm headphone/iPhones or other smartphones jack.