Fast USB charging port design – with external USB port and build-in cable connected with your power bank inside which will charge your phone more easily. (Power bank not included)
bopai
BOPai 40L Genuine Business Leather Laptop Professional Backpack for Men 15.6 inch Computer with USB Charging Multi-Functional Large Capacity Travel Smart Work Rucksack Anti Theft Black
Invisible Anti Theft Design – Unique concealed double zipper design increases the security of your stuffs of value inside. One hidden zip pocket on the back to pack your wallet, money, cheque, passport, cards safely and conveniently.
BOPai Hard Shell Tsa Laptop Backpack for Men Gaming Backpack for 17.3 inch Anti Theft Expansion Backpack Light Slim Black Usb Waterproof 15.6 Rucksack
INTELLIGENT INCREASE DESIGN : This backpack has smooth zippers on the back side. Once pull on the intelligent zipper, the invisible compartment will show up and equipped with extra of space.