Kensington Verimark Desktop Fingerprint Key 2nd Factor Authentication Key U2FDescriptionSpecificationsShipping FIDO U2F certified, and FIDO2 WebAuthn FIDO U2F certified, and FIDO U2F certified, and FIDO2 WebAuthn compatible for expanded authentication options, including strong single factor (passwordless), dual, multi factor, and Tap and Go support across major browsers (for services leveraging the older FIDO U2F standard, instead of using biometric authentication, Tap and Go allows the user to simply place their finger on the