usb rechargeable backpack large capacity casual business computer backpack

Highlights 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. Details Japanese bag: 15.6 English size electronic independent compartment, wide open compartment, water bottle type rain bagSpecial features: Adjustable shoulder strap relief shoulder pressure, wrist support, long-time carryingUSB 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.