However, you might not want to buy a dedicated security key like a YubiKey or a Thetis FIDO U2F. However, have you considered turning that old USB drive in your drawer into a secure unlock key ...
Dual connector: Yubico YubiKey 5Ci is an innovative multi-protocol hardware authenticator featuring a dual connector for lightning and USB-C ports ... of applications. FIDO: YubiKey 5Ci is ...
This completely limits mobile device connectivity, especially for the USB-A key. The key supports FIDO2 as well as being backward compatible with the original FIDO U2F standard. There's no TOTP ...