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
To cope with this backpack, we suggest purchase of the first mobile power. Type:
Laptop Bag,Water Resistance Bag Capacity:
56-75L Product weight:
1.0200 kg Package weight:
1.0300 kg Product size (L x W x H):
34.00 x 18.00 x 47.00 cm / 13.39 x 7.09 x 18.5 inches Package size (L x W x H):
34.20 x 5.00 x 47.20 cm / 13.46 x 1.97 x 18.58 inches Package Contents:
1 x Backpack