Cross-border Backpack Men's Large Capacity Double Shoulder Bag USB Rechargeable Business Laptop Bag Casual Backpack Primary and Secondary School Bookbag. This backpack is designed for modern men, combining fashion and practicality. The large capacity storage space allows you to easily accommodate laptops, books, and daily necessities. The unique USB charging port allows you to charge your devices anytime, conveniently and without worry. Whether for work, school, or casual outings, this backpack can meet your needs, and the comfortable carrying system allows you to stay energetic at all times. Choose it to start your wonderful life!