1.Metal housing USB 2.0 Female to 5Pin screw Terminal Without welded Connectors. You are free to DIY or extend
2.Wiring method V+(Red) Power supply 5V D+ (green) Signal negative D- (white) Signal Positive - (black) Ground Gun
3.Strong Oxidation Resistance, Environmentally Friendly Insulated Terminal, Easy to Plug and unplug card line, Long service life
4.2Pack Deliver a screwdriver