Business Waterproof Backpack Universal for Men and Women School Bag with USB Port for Men Work Travel Flight Business Black

【USB Charging】 · CONVENIENT CHARGING: This bag is equipped with an internal USB charging port and power cable, allowing you to conveniently charge your devices while on the go. You can place a power bank or portable charger inside the bag and connect it through the USB port to easily charge your phone, tablet, or other portable devices. · FASHION AND FUNCTIONALITY COMBINED: Bags with USB charging functionality often have stylish appearances and designs that cater to your personal style and fashion needs. They combine practicality and aesthetics, meeting your daily charging needs while also matching your outfits and overall look. 【COLOR DIFFERENCE ISSUE】 · The color of the product will be affected by various factors such as shooting light source, post-production editing, and display resolution,etc. · There may be color difference. · Please refer to the actual product. 【PAY ATTENTION】 · Clear pictures provide product details, colors, styles, specifications and other information to help you understand the product. · The above dimensions are measured manually, and there may be errors due to different personal measurement techniques. Please refer to the actual product for accurate measurement. · If you are interested in our products, you can add them to your shopping cart and place an order according to your personal preferences and needs. • Three layers capacity: Multi-layered space, dedicated 17-inch laptop compartment. • Water repellent fabric: The three-dimensional honeycomb breathable fabric releases the hot and humid back and keeps it dry. The breathable and elastic shoulder straps reduce the pressure on the shoulders. • Perfect size, impeccable design:dimensions are 11.8" x 15.7"x 5.5"(30*40*14cm). • Function and safety: The trolley case fixing strap design can be used with the trolley case to release the pressure on the shoulder, and there is no burden on long-distance travel! • USB charging: The backpack has a built-in charging data cable and an external charging port; the mobile phone can continue to last.