... by Dajiang Electron Company include:DC connecting plugs, DC socket, connecting plugs for earphones, pins for earphones, earphone connectors, USB ... tuning fork, connecting plugs for chargers of mobile-phone, plugs for 5.5 DC power-supply, DC plug, DC jack, RCA jack, ... MiNi pin, RCA connecting plugs, MiNi USB plugs, earphone sockets, RCA sockets, AC ...