The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. The bange vacuum backpack made of high-density coated oxford fabric not only waterproof and resistant but also scratch-resistant.you don’t worry rain day of your backpack.but the zipper don’t waterproof,so can not be exposed to rain for a long time.The air backpack adopt in vacuum packet design,not only save space but also let your travel be convenient, It also provides you with an electronic vacuum pump for you to choose. This air pump can be used for both suction and blowing, and provides various nozzles that can be used in a variety of scenarios. The air pump also has lights, which can provide you with lighting when traveling at night.The travel backpack have four main pocket,the front pocket can lay pen,ipad,magazine,umbrella and so on.the main pocket have shoes compartment and wet and dry separate pocket and the important vacuum pocket not only can save your space,but also can orderly store away your every goods,the laptop compartment can hold 15.6 inch laptop and 9.7 inch iPad and we increase in height design of the part, so your don’t worry about your laptop.Air backpack wither Vacuum withe vacuum seal all zipper made in durable BBS zipper but the vacuum pocket uses high-density vacuum specific zippers, making it difficult to open, but this is to ensure the top secret protection performance of the vacuum pocket.Meanwhile,the laptop backpack have lot of human design,such as adjustable chest strap,breathable shoulder strap,luggage strap, TSA lock and anti-theft pocket. About the air pump instruction when the red light is on,it indicates the battery less than 5%,should be charged in timeLong press 3 seconds to lock，Long press 3 seconds to unlockSelect only one suitable nozzle each timeInflate: install one suitable nozzle to the inflationport,and connect to the products ,thenturn on the pump to start inflatingDeflate:install one suitable nozzle to the deflatioport,and connect to the products ,thenturn on the pump to start deflating