Multifunction External USB charging 15.6 inche Laptop Backpack men Business Bag Large Capacity Casual Style Water Resistant bags
Product specification： 310mm*150mm*445mm
When you receive the goods, if you have any quality problems, contact customer service, 100% refund, 100% satisfaction is our goal.
Note: There is no mobile power comes with the backpack inside.
If you want to use External USB Charge Function, you have to do as follows:
1.Buy a mobile power
2.Connect your mobile power with the USB interface inside the backpack
3.Connect your phone with the USB interface outside the backpack
There are 2 kinds of mobile power in the market.
1:Plug in your phone, you can start charging
2:Plug in your phone also need to press button of mobile power then start charging