①. Backpack advantages: - Made of materials that are lightweight and durable, waterproof and breathable. - Has 3 main compartments with double zippers, 6 additional zippered compartments, and 2 small side mesh pockets. - Features an internal partition for a 15.7 - inch laptop and a wide internal compartment system. - Equipped with a USB port, micro USB type B, and 3.5 mm headphone jack. - The back of the backpack is reinforced and contoured, with soft lumbar support. - Can be attached to a suitcase on wheels. - It has a spacious and elegant style. ②. The backpack is capacious, allowing you to fit things such as clothes, cosmetics, a 15.7 - inch laptop, A4 books, etc. for both work and leisure. It has 8 internal compartments, including 3 large and 5 smaller zippered ones, along with 2 side mesh pockets. The internal compartment system helps you better organize and secure your belongings for the trip. ③. Compartments details: - Rear compartment: Contains a laptop / tablet / A4 book compartment, straps to protect clothes, and 2 mesh pockets. - Central compartment: Has one mesh pocket. - Front compartment: Features a 4 - compartment system, a pen holder, a closed pocket with a zipper, and a hook for keys. ④. Function of ports: You can charge your phone and listen to music at the same time. Inside the backpack, there is a small pocket with 3 ports on the outside: USB, micro USB, and headphones. When using external ports, you don't need to take the Power Bank out of the backpack to charge your phone, have a music player outside to listen to music, or keep the Power Bank outside to charge it. Next to the pocket with ports, there is a convenient compartment to put the Power Bank for charging your phone. ⑤. Accessories: The backpack comes with a 50 cm cable that can be separated into 3 ends (USB, USB type B, miniJACK), which can be connected to a Power Bank. The kit includes: - A multifunctional backpack. - A cable divided into 3 ends, 50 cm long. - A waterproof case.