3.5mm plug to 2.5mm female audio connector pvc material ,nickel plating 3.5mm plug to 2.5mm female audio connector For earphone use Current rating :1A Insulation resistance :.0.1 sec.1MΩ min at 250VDC Operating temperature range :-20°c ~80°cDurability :over 5000 cyclesWe are a professional manufactures of mobile phone cable ,connector ,audio connector ,audion cable ,laptop connector etc . 3.5mm ...