Fast and Simple Two-Factor Authentication, YubiKey
SECURITY KEY: Protect your online accounts against unauthorized access by using 2 factor authentication with the Yubico YubiKey 5 NFC security key.
Yubico - YubiKey 5C NFC - Two-Factor authentication (2FA) Security Key, Connect via USB-C or NFC, FIDO Certified - Protect Your Online Accounts
YubiKey - Wikipedia
In stock Yubico YubiKey 5C NFC USB-C Security Key,WebAuthn, FIDO2 CTAP1, FIDO2 CTAP2, Universal 2nd Factor (U2F) - AliExpress
The best hardware security keys for two-factor authentication - The Verge
Yubico - YubiKey 5 NFC - Two-Factor authentication (2FA) Security Key, Connect via USB-A or NFC, FIDO Certified - Protect Your Online Accounts : Electronics
Yubico YubiKey 5C
Yubico - YubiKey 5C Nano - Two-Factor authentication (2FA) Security Key, Connect via USB-C, Compact Size, FIDO Certified - Protect Online Accounts : Everything Else
Yubico - YubiKey 5 NFC - Two-Factor authentication (2FA) Security Key, Connect via USB-A or NFC, FIDO Certified - Protect Your Online Accounts : Electronics
Not compatable with Yubico Authenticator. Does not support OTP. CONVENIENT AND PORTABLE: Fits easily on your keychain, making it convenient to carry
Yubico - Security Key NFC - Black - Two-Factor authentication (2FA) Security Key, Connect via USB-A or NFC, FIDO U2F/FIDO2 Certified
The Best Security Keys for Multi-Factor Authentication