Facebook announced today that USB Key support is currently live. Facebook doesnt support security key logins for the mobile Facebook app, but if you have an NFC-capable Android device with the latest version of Chrome and Google Authenticator installed. You can utilize a similar key for any supported online accounts (e.g. Google, Dropbox, Salesforce) and Dropbox, and those records can remain safe on the grounds that the key doesn’t hold any records of where it is utilized. Physical keys should be more powerful than mobile applications and SMS authentication.”]
Source: https://gbhackers.com/enhanced-security-facebook-supports-usb-security-keys/