The plug is made of highly pure brass with 18K or 24 gold plating, 
the conductive function is superior. It almost without current resistance, allowing the current can be passed quickly. Accordingly, making the electromagnetic radiation decreasing effectively, and make the voice and image more clearer. 

The housing use the best PC or PA6 plastic materials, ensuring the product tenacity. This product can accept the big cables which diameter is 17 to 21 mm.