This backpack can be used as college school backpack, travel backpack, teacher backpack and business work backpack. It will be a best ideal gift for Christmas, back to school, birthdays, a new job, father's day and mother's day for your friends and family. This is also perfect for occasional international travel, weekend short trip, hiking, camping etc.

• Water-repellent & Wear-resistant:This backpack is made of high-density Oxford cloth fabric. With coating process, it is wear-resistant and water-repellent.
• Anti-theft；Each bag comes with zipper. It’s great to store your 15.6" laptop, mobile phone, document etc for business, travel etc
• USB Charging Port and Cable：Portable USB charge surface design support quick convenient charging for your electronic devices base on your power bank. Additional USB cable is included. It is easily to keep your cell phone full power anywhere!
• Reflective Strip design：The reflective strip in the front and back keep you safe in night.
• Breathable Mesh：The breathable mesh cloth on the back keeps your back dry continuously and effectively reduce back sweating
• Large Capacity：Size: 12.6x6.3x18.1 in (LxW xH ), it can hold a lot of travel goods for about 5-7 days. And them multi separated inner bags keeps all your belongings neat and orderly
• Wide Application：It’s perfect for Business traveling, weekend getaways, school, shopping and other outdoor activities in daily life.
• Material: Polyester
• Style: Leisure, Business, Fashion
• Size: 12.6x6.3x18.1 in (LxW xH )

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 first

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.

5. Please allow 0.39-1.18 inch differs due to manual measurement.

6. The color may be a little different from that of real item due to the different display and different light.