I need help I bought a small circuit to convert 12v to 5v DC.

I need a connector that uses DJI, to put my cable and my circuit.

I have been to different electronics houses in my city but do not know what type of connector it is. I need to do to power a monitor that works with DC 5v current the DJI cable is 7.4v and this I use it for me canon.

If someone knows what this connector is called or can provide a link to buy a solder.

this is the monitor the connector, final is a micro usb