NOTE: The source end is for pluging to the power source ,not reverse! Flat soft ribbon USBC cable. Slim USB type c male SOURCE host source end to USB typec sink ends . USB type C source end host end is direclty plugged to power. Sink end is for device which needed to be charged light weight soft flex slim . low profile ideal for tiny space or room fpv usb type c cable super slim and soft USB TYPE C source end host end is diretly plugged to power or other power source such as PC ect. This USB TYPE C source or host end is straight end . USB TYPE C Sink end is for device which needed to be charged such as mobile cell ect . two options of USB TYPE C ends are available : USB TYPE C 90 degree angled. and USB TYPE C straight end 5V, 2-3 A load not for fast charging . Both USB type C ends are male end . one is male host /source end and another is male sink end. if you need other USB configurations, please be free to contact us.