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Size: KS3140W-13inches (27cm*16cm*43.5cm)
KS3140W-15inches (31cm*19cm*46cm/ 12.2"x 7.4"x18.1")
KS3140W-17inches (37cm *22cm*50cm)
KS3144W-15inches (31cm*13cm*46cm/12.2"x5.1"x18.1")
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
To cope with this backpack, we suggest purchase of the first mobile power.
