Material:
  Housing:Thermoplasticd  UL94V-0. 
  Contact: Copper alloy
  Shell:Copper alloy&Spcc
Finish
  Terminal:Gold plated in contact area,
         Tin plated in solder tail area.
         Nickel underplated & TIN Plated all Over nickel.

         & Gold Plated all Over nickel.
  Shell:nickel plated over all.