usb rechargeable backpack large capacity casual business computer backpack

Japanese bag: 15.6 English size electronic independent compartment. wide open compartment. water bottle type rain bag
Special features: Adjustable shoulder strap relief shoulder pressure. wrist support. long-time carrying
USB port design: external internal USB charger. internal charging line. this USB backpack provides a more convenient charging method.
Durable materials: made of non-waterproof and durable cotton material. metal frame. Durable.
Occasions: Very suitable for business travel. weekend vacations. daily life outside shopping.