Feature 1 Made of 8 OCC silver plated wire, soft, high frequency smooth and good extension. 2 The medium frequency is clear, the low frequency control is in place, and improve the overall transparent and clear sound of high frequency, provide delicate and natural voice. 3 Adopt high quality material, soft but not easy to broken, longer service life. 4 Sophisticated technology, can seamlessly transmits stereo audio, provide better listening experience. 5 Fit for Sennheiser HD600/ HD580/ HD650/ HD660s headphone, meet your different needs.Item Type: Headphone Audio CableMaterial: MetalSize:Wire Length: Approx. 1.2m/ 3.9ftWire Outside Diameter: Approx. 3.0mm/ 0.1inWire Material: OCC Silver Plated CableCraft: Silver PlatedFitment: for Sennheiser HD600/ HD580/ HD650/ HD660s and other playback audio source interface for the national standard 3.5mm can be compatible with the mainstream equipment in the market. Package List1 x Audio Cable