The design of the backpack is classic, simple, stylish and elegant.It is the perfect companion for business, work, school, commuting, business trips, trips, weekends, day trips, shopping, camping, hiking, climbing and any other daily occasion. It is good to serve as business backpack, college schoolbag, work bag , casual backpack, computer backpack. Suitable for men, women, boys, girls, teenagers and adults. 17 inch pc backpack USB charging port design This men's backpack has a USB charging port external USB charging, it allows you to keep your power bank neatly in the bag, and you can just connect the cable from outside to charge your devices (not include mobile power).Band design reflectiveReflective strips are attached to the front of the laptop bag and the hidden zip pocket and the two side pockets. When you go out at night, the car light will be reflected and can be seen from afar, improving safety.