RJ12 Plug, telephone plug Made of anti-burn PC(UL94V-0) gold plating(01,03,06,15,30 or 50) Frequency of use over 1000. RJ12 plug, telephone plugMade of anti-burn PC(UL94V-0)Gold plating(01,03,06,15,30 or 50)Frequency of use over 1000Achieved ROHS and environmental protection standard