LOVEVOOK Laptop Backpack for Women, Quilted Design, Fit 15.6/17 inch
"How to USB port to charge my phone?"
1. Prepare your power bank, inside connection (power bank not included)
2. Connect to the outside USB port and start Charging your phone.
3. Since the USB plug of the backpack is facing down, you don’t have to worry about getting USB plugs wet.