Check out our amazing sling backpack with a USB charging port. This backpack features a multifunctional storage area and an accessory compartment with functional pockets to keep your power cord, mouse, books, papers, and more. It can be used as a messenger bag, shoulder bag, crossbody backpack, casual daypack, sling bag, chest bag, travel bag, working or business bag, making it suitable for the office, school, outdoor activities, business, and other occasions. The flexible satchel shoulder strap varies from 16 to a maximum of 34 inches and can be adjusted to fit your body perfectly. The breathable shaped padded shoulder strap and back panel are extremely comfortable and lightweight, helping to release heat rather than accumulate it. Please confirm further with us if you have any questions about packing info, inventory status, or time schedule.