There's a one.35mm DC port for an exterior power supply but its connected on to the 5V line so if you need to externally power, we suggest prying open the situation and reducing the pink 5V line from the USB link. I am https://rsaavap223977.tblogz.com/detailed-notes-on-inland-usb-type-c-to-usb-type-c-cable-10-ft-2-pack-42761515