Braided cable with 4 wires of 23awg OCC Copper litz and 4 wires of 23awg OCC Pure Silver plated Copper litz wire with cotton core.  The standard cable is 6 feet long but can be customized to any length, headphone connectors, and main connector. This cable can also be made with 8 Pure Silver plated Copper litz wires or 8 Pure Copper litz wires.