R/A Sinking Female edge connector 1,white plastic core 2,USB 1.1/2.0 compliant; R/A Sinking Female 4 pin edge connector rated current 1 Amp contact resistance 30mΩ max insulation resistance 500mΩ/min(At 500vpc withstanding voltage Ac 500V/min 1, It is the featured product of our company ,and we sell them well abroad.2, This product is very good prospects of production and selling markets.3, If ...