... tray, total length 24.2mm,nickel plated white plastic,3.5mm 4 pole dc audio plug Product advantages: 1.Materials: copper rod ... plugs, DC socket, connecting plugs for earphones, pins for earphones, earphone connectors, USB connector, linker, DC female mould, plugs, sockets, ... RCA jack, MiNi pin, RCA connecting plugs, MiNi USB plugs, earphone sockets, RCA sockets, AC connecting plugs, Big-size Din, USB ...