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. Please Check the package and item carefully to make surether is no problem If there is any problemor you are not entirely satisfied with your purchase, please don\'t hesitate to contact us before leaving negative feedback. We will resolve the problem to satisfy you. If no problem, please leave us 5 star positive feedback. Thank you!!! 1. Please contact us within 7 days after you received the product whether you want to refund or exchange the items, we will do the best to satisfy you 2. If you are not satisfaction with the item because of the quality, please send us pictures,.Once confirmed, ,please send the bag back to us,provide the tracking No. After received it we will return you the money. (Every bag would be inspected for many times during production and before packing,to make sure that alll the products we make are qualified.) 3. If you want to exchange other models, please return the items with the original packaging and situation. Once we received the bag, we will arrange to send you the new model. 4. If you simple not like the bag, please send it back to us, We will return your money after received the bag. 5. All above situations, please note your OffMoneyShopping.com ID when shipping and providing us the tracking No. Thank you for your cooperation!!!
dianxiaobao_2 Size: KS3160W(42cm*10cm*31cm