USB usb cable 2.0 version 3.0 version 4 Pins CCS/ 100% Oxygen Free Bare Copper Conductor ... Certificate: CSA UL ROHS CE USB Structure Photo NameUSB usb2.0/3.0 cable Core 4pins CCS/ CCA/Bare Copper Conductor Connector Plastic ... ,etc. Color Golden/Black/Red/Gray/Blue/Transparent/others Length 0.5m,1m,1.5m,2m,2.5m,3m,5m,10m ...