You have been a lot to ask us this question: How To Use USB On Diaper Bag?
Well don't worry anymore, we have your back! and it is actually very simple.
This is a step by step process on how to connect your USB baby bag on any device.
Note that, this process is effective either you have a USB diaper bag or any other USB bag.
Connect a power bank with the USB port inside
Note that usually power bank is not provided with order
Connect a USB cable to the USB port outside
Connect your phone to the USB cable