Product description
0.3M USB 2.0 Type A Male female 2Pin 4pin micro USB repair welding Cable Power charging Supply Adapter DIY Connector 2 4 core
1: black, white, red and green four-wire rechargeable data (general data line specifications) red line: positive; black line: negative; green line: D +; white line: D-
2) black and red two core line can only charge
red is positive ; black is negative
USB type A male / female :
2pin 22awg , 4 pin ,28awg
mirco USB male or female :
2pin 22awg , 4 pin ,28awg