Can a USB flash drive be used with a mobile fiber optic router

To set this up, you just need to plug a USB flash drive or hard drive into your router. Your router should automatically detect it and make the storage available over your Wi-Fi network. However, accessing your USB drive connected to your router can be a daunting task, especially for those who are not tech-savvy. You can do things like saving and sharing files, mobile charging, or even an automatic backup of your data. [pdf]