Derma Roller Kit For Face, 540 Titanium Micro Needle, 0.25mm, Facial, Hair and Body Massage, Professional Beauty Skin Care For Home Use (White/Blue) ARAY conductor geometry Multi-strand oxygen free copper signal and return conductors High density overwrapped foil shielding reduces signal loss caused by high frequency interference Unique RCA plug gold-plating process improves signal transfer across audio frequencies Over moulded plug surround provides high reliability connection