OCC + OCC silver plated headset cable coaxial 2-strand MMCX 0.78 2pin 3.5 stereo 2.5 balanced 4.4 balanced upgrade cableMaterial: OCC + coo silver platingSpecification: 1.2m, other length can be customizedColor: BlackBranch: carbon fiber branchPin: MMCX 0.78 2 pin (take notes or contact the owner)Plug: Eagle sign 3.5mm 2.5mm 4.4mm (take notes or contact the owner)