Hosa HPE-310 1/4 Inch TRS to Same Headphone Extension Cable, 10 FootHosa HPE 310 1 4 Inch TRS to Same Headphone Extension Cable, 10 Foot This cable is designed to extend the reach of hard wired headphones with a stereo phone plug. It may also be used as a stereo extension cable. Key Features Connectors: 1 4 in TRS to 1 4 in TRS 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