The inside cable is made of the 6N OCC copper Single Crystal Silver Plated wires, each side include 2 strands *(0.08mm*25 cores + 0.08mm*37 cores) 6N OCC copper Single Crystal Silver Plated wires, that Superb Premium Wire, Independent Shield among L, R . Soft enough and comfortable ; the outside cable is made of the Black Thermostable Braided Tangle-Free cable, which has excellent temperature resistance range: -65℃~300℃ The length (include the Connector): Length: 1m/3.3ft/39inches, package include:1*audio adapter cable Connector: 4.4mm Balanced Male to dual XLR Male, The connectors shell are made of the walnut wood / Solid Wood - Walnut + Brass Gold Plated The 4.4mm Balanced male is compatible with SONY WM1A, NW-WM1Z, PHA-2A, ZX300A Audio player & Power amplifier / Monitors / Speaker / HIFI equipment and so on players with 4.4mm Balanced port, The 6N OCC copper Single Crystal Silver Plated wires provide clear sound, and a protective layer is added to eliminate noise interference problems, you will enjoy matchless HiFi sound and maintain original sound quality of your headphone 4.4mm Balanced Male to 2 XLR Male Dual XLR Male Audio Adapter Cable 6N OCC Copper Silver Plated Cord Walnut Wood Shell 4.4mm to 2 XLR Balanced Cable