Come and see our amazing products.This backpack had anti-theft design features and the zipper of the main compartment is fully hidden in the back of this bag. It has an external USB outlet that helps you connect external power inside the bag. You need a power bank to charge it (power bank not included). The main compartment is equipped with varies function pocket for pens, phone, wallet and a 15.6" laptop. There is a retro reflective tape on the front of the bag which makes this backpack more visibile at night. Pls confirm further with us if any query about packing info, inventory status and time schedule.