Publisher: Kxable. Premium slim aluminum shells provide the best heat dissipation function. The durable nylon braided sheath can withstand more than 15,000 bends and is no longer prone to breakage. Kxable Optical Audio CableGold-plated connectors for better corrosion resistance.Premium slim aluminum shells provide the best heat dissipation function.The durable nylon braided sheath can withstand more than 15,000 bends and is no longer prone to breakage.From 3ft to 50ft for selection.