Specification:
Material: Canvas
Internal Material: Polyester
Color: Black, Grey, Purple
Open Way: Zipper
Internal Structure: Mobile Phone Bags, Document Bags, Zipper Bags
Gender: Unisex
Application: School, Business, Travel
Size: 30x19x10 cm (Height*Width*Thickness)

Feature:
1.100% brand new and high quality.
2.The fashion simple appearance keeps your young personality.
3.Suitable for all kinds of situations, such as shopping, party, business, trip, college..
4.With multi-function and large capacity design, you can make your all kinds of items 
more organized. Also you will find there are many reasonable storage spaces.
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:
Buy a mobile power.
Connect your mobile power with the USB interface inside the backpack.
Connect your phone with the USB interface outside the backpack.
Charging begins.
There are 2 kinds of mobile power in the market.
Plug in your phone, you can start charging.
Plug in your phone also needs to press button of mobile power then start charging.
To cope with this backpack, we suggest purchase of the first mobile power.

What's included :
1 X USB Port Charger Backpack