Laptop Backpack with USB Charging Port Function

This backpack made of 300D oxford fabric.USB 2.0 Charging port design. Built-in USB cable. Use it to connect the power bank, then connect your phone with original USB cable to the USB port, you could charge your phone conveniently.Roomy laptop compartment.Special design laptop compartment with Telescopic belt provides more protection for your laptop.11" L x 16 1/8" H x 4/3/4"W