KROSER Laptop Backpack Large 17.3 Inch School Travel Computer Backpack for Laptop with USB Charging Port Water-Resistant Casual Daypack for Business College Work Bag Men Women, Grey

Practical functional backpack:External USB Port The built-in USB port is convenient to charge your phone by connecting your power bank without having to open the backpack.USB Port Instruction Put your power bank (not included) into the backpack and connect the internal USB cable, then let your charging cable insert an external USB port to connect your electronic device.LUGGAGE STRAP A luggage strap allows the backpack to fit on luggage/suitcase, slide it over the upright handle tube for easier carrying. No need to carry the backpack on your back, less strain on shoulder and back when you are on the go.Breathable mesh back and padded shoulder straps for a more comfortable fit, relieve the shoulder strain. Sturdy top handle for long time carrying.One side of the shoulder strap with glasses hook, can hang sunglasses.Multiple compartments:The main and back compartment with well padded sleeve provides enough and secure space for your 17.3 inch laptop/tablet/iPad, it also easily fits your thin clothes, magazines, books, camera, headset and tech electronics.With multiple functional front pockets, you can perfectly hold your small items, such as laptop accessories, mobile phone, keys, wallet, pens, etc.Two side zip pockets for easy access, for water bottle and umbrella.GREAT GIFT IDEA:Style: laptop backpack, travel backpack, professional business backpack, school backpack, outdoor backpack, casual daypack.Suitable for daily use, perfect for business trips, students and outdoor activities in daily life.Great gift for those who go to school, travel or work.?Warranty and service policy?If you have any problems, suggestions, questions or concerns. Please contact us, we will reply you within 24 hours and solve the problem as soon as possible.