Kingsons Waterproof Men Women Backpack with Sucker USB Charge Laptop Computer Backpack 13.3/15.6 /17.3 inch School Bag Backpack

Kingsons Waterproof Men Women Backpack with Sucker USB Charge Laptop Computer Backpack 13.3/15.6 /17.3 inch School Bag Backpack   ​   Note:t he backpack is just with a removable  quick chaging usb data cable,t here is no charger inside. Don't included the Battery   If you want to use External USB Charge Function,you have to do as following 1.B uy or use your own charger. 2.Connect your charger with USB port inside the backpack   3.Connect your phone with USB port outside the backpack 4.Charging begins.   There are 2 kinds of chargers in the market 1.Plug in phone,     charging      start  2.Plug in phone and press button of charger then charging starts

 

To cope with this backpack, we suggest purchase of the first charger.The secod charger can also use this function,just need to press the button.

 

The difference of Model A 15.6 inches and Model B 15.6 inches

 

1.Capacity

Model A KS3140W15.6''  46*30*19cm

Model B KS3144W15.6''  46*30*13cm

2.Zipper pocket

Model A KS3140W Two zipper pocket,one main warehouse bag,one computer compartment bag.

Model B KS3144W One zipper pocket,main warhouse and computer compartment is in one bag.

3.USB port location Model A KS3140W on the right  Model B KS3144W on the left  4.Computer compartment Model A KS3140W Separate zippered computer compartment

Model B KS3144W Scalable    designed computer compartment