A USB 3.0 connection requires five conductors, and the connectors are blue in color. Backward compatibility is typically provided by including four additional conductors, as shown in the image here.

An important thing to note about USB port colors is that the color-coding system is not standardized across manufacturers. In other words, a manufacturer might use the teal color for a USB 3.0 ...

USB ports often come in colors like black, blue, white, and more, each representing a specific function or version of the USB ...

Thus, you can grab any old USB-PD device, like a laptop charger, and run your iron off that. The new version also uses a larger color TFT screen with some buttons added on as an improved user ...