Yubico FIDO U2F Security Key
This is the older version of the Security Key by Yubico
The newer version has the same functionality as the original but with added capabilities including support for FIDO2 and FIDO U2F security protocols. The Security Key by Yubico is a USB device you use in combination with your username/password to prove your identity. If you are looking for a Security Key for Google's Advanced Protection Program, please search for "Security Key by Yubico" on Amazon.
