Audioquest Golden Gate 5M Mini Headphone Ext. Cable (3.5mm Mini male to 3.5mm Mini Female) 5M (16 ft. 5 inches) made with (PSC) Copper Conductors Double-Balanced Asymmetrical Geometry 3.5mm (1/8") Mini Plug to 3.5mm (1/8") Mini Plug Foamed-Polyethyleen Insulation Metal-Layer Noise-Dissipation System (NDS)