You can use Hideez FIDO Security Key as a FIDO Security Key with Bluetooth connection as a second factor according to the FIDO U2F standard, as well as for password-free authentication according to the FIDO2 standard.
Also, the Hideez FIDO Security Key bundled with the Hideez Client software and the Hideez Enterprise Server can provide additional features for corporate clients, including:
Proximity Login to PC
Proximity Logout from PC
One Time Password Authentificator
Connection to Microsoft Active Directory