Notice：
1. If you have any problem about the logistics and quality, please feel free to contact us, we will try our best solve it out, 100% satisfaction is our goal.
2. There has a USB Cable which can be connected to power bank inside the backpack, but it does not include the USB cable that connects to the phone outside the backpack.
2. There has a USB Cable which can be connected to power bank inside the backpack, but it does not include the USB cable that connects to the phone outside the backpack.
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
4.Charging begins.
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
