Computer Backpack with USB Charging

This multi-functional computer bag is made of waterproof Oxford cloth fabric, which is wear-resistant and scratch-resistant. The design has the following specifics. Main bag, front bag, side bag, and auxiliary bag to meet all your needs for loading items. An external USB port, only need to put the power bank in the bag, and you can easily charge the phone while walking or working. The shoulder strap adopts a widened and thickened honeycomb mesh, which can resist pressure and breathe and able to adjust the length. All use high-quality and high-end zippers. 16 1/2"L x 12 1/4"W x 4 3/4"H