Rosa 3.5mm headphone extension cable of durable black rubber with male and female ends. It may also be used as a stereo extension cable. Features include: Nickel-plated contacts for rugged durability and efficient signal transfer Oxygen-Free Copper (OFC) conductors for enhanced signal clarity OFC spiral shield for effective EMI and RFI rejection and flexibility Connectors: 3.5 mm TRS to 3.5 mm TRS