Business Laptop Backpack Anti Theft Waterproof Backpack Travel USB backpack

External USB Interface - External USB with built-in charging cable offers convenient charging of your USB enabled electronic devices whether on a business or leisure trip. -Dimensions:43 x 31 x 18 cm Large Capacity: This backpack has multiple storage compartments and features, which can be used as additional supplies and accessories for laptops, iPhone, iPad, pens, keys,wallets, books, clothes, bottles, passports, etc.-USB access: You can charge your phone, tablet and other devices easily and conveniently without opening up the backpack.-Anti-Theft:The front buckles provide a good protection that prevent from unzipping the bag and stealing valuables. It is more convenient than coded lock.