Core 6N single crystal copper 0.12 mm * 7 core + 6N silver-plated  copper 0.12 mm * 2 core.  

Outer ring 0.12 mm * 23 single crystal copper.   27AWG    Soft red coating.   

Clear and natural music performance, Rich and mellow performance is very suitable for normal moving rings and moving iron headphones. 

 Especially suitable for large earmuffs type earphones. Almost can restore the music scene.