USB Boarduino is very much similar to DC boarduino. A USB boarduino board has a USB socket in place of DC barrel, that’s all. This product is no longer sold by Adafruit, so, we cannot get the description. However, if you want to order or redesign it, here are the files:

This is what we get from the gerber viewer: Overall, top and bottom views

Order PCB from one of the companies below:
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