A. Men's multifunctional shoulder backpack with USB port B. This practical and modern backpack is suitable for both everyday use and travel. Made of durable Oxford material, it can ensure durability and comfort. C. Features: 1. Anti - theft protection: ensures security with a reliable zipper. 2. Integrated USB port: a convenient solution for charging devices on the go. 3. Functional design: internal pockets for your phone, cards and other small items. 4. Lightweight and comfortable: soft construction ensures comfort when carrying all day. 5. Universal style: suitable for both work and leisure. D. Technical information: 1. Material: Oxford fabric 2. Lining: Polyester 3. Closure type: Zipper 4. Size: 20 cm < Max. length < 30 cm 5. Gender: Men E. This backpack is a good choice for men who value functionality and style.