BLK 3.5mm Audio Cable Lead Cord w MIC For Nakamichi NK 780 M Over-Ear Headphone Brand New, High Quality Stereo Audio Cable/Lead with Microphone . Connectors: mini 3.5mm 4-din connector male to 3.5mm male. Oxygen free copper core with environmental-friendly recyclable plastic. High-density double shielding for max rejection of EMI and RFI. Glod-plated connectors to ensure optimum audio quality and longer useful life. With Mic