Fits 17 Inch Laptop Backpack Business Backpack Scalable Capacity College Bookbag For Work School Travel Flight with USB Port Waterproof Casual Computer Daypack for Men Black

【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. 【APPLICABLE OCCASIONS】 ·School and College: Backpacks are a common choice among students and can hold textbooks, laptops, folders, and other school supplies. Its double-shoulder design helps distribute weight and reduce strain on your back. ·Workplace: Many professionals choose backpacks to carry their work items. The backpack is capable of holding a laptop, documents, folders, stationery and other necessary office supplies. ·Travel: It is also very practical when traveling. You can pack travel essentials such as clothing, toiletries, camera, charger, and passport in the backpack. ·Sports and Outdoor activities: Many sports and outdoor activities, such as hiking, camping, cycling, mountain climbing, etc., require carrying equipment and items. ·Casual and Daily Use: The backpack is also suitable for daily leisure activities such as shopping, walking, cafes, parks, etc. 【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. • Expandable design: Before the extension dimensions are 19.3x12.6x5.9 inch/49*32*15 cm, and after the extension dimensions are 19.3x12.6x7.9 inch/49*32*20 cm. You can expand the zipper and buckles according to your requirement. • Decompression and shock-resistant backpack system: The air deflector back panel design allows the air to flow freely and keeps the back dry at all times. The back is thickened with pearl cotton, which can decompress and resist earthquakes • USB charging: The backpack has a built-in charging data cable and an external charging port; the mobile phone can continue to be used. • Function and safety: The design of the trolley case fixing belt can release the shoulder pressure with the trolley case, and there is no burden on long-distance travel! • Multi-function carrying method: The bag is designed to be hand-held and double-backed, with a variety of carrying methods. Every detail of a fashionable backpack, the incomparable design spirit is the secret that people are crazy about