2.5/3.5/4.4mm Jack 16Core OCC Headphone Replacement Cables f SONY MDR-Z1R MDR-Z7

OCC unit crystal copper is a twisted balance type cable with OCC copper conductor. In addition to Polyethylene insulation as a dielectric. 8N unit crystal copper features both unique solid OCC copper materials & fine OCC copper strands twisted with the individual teflon insulation, and Air PE tube structure.

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