Interesting, and having it air-gapped is a good thing too. But I like my Yubikeys - they do the typing for me 
Is it possible (at all) to connect it to a computer for backups?
Is it possible (at all) to connect it to a computer for backups?
Yes, it comes with software to manage the passwords and back them up so you don't have to use the device to create new ones all the time.