Yubico – YubiKey 5Ci – Multi-Factor authentication (MFA) Security Key and passkey for iPhone/Android/PC, Dual connectors for Lighting/USB-C, FIDO Certified

POWERFUL SECURITY KEY: The YubiKey 5 is a versatile physical passkey that protects your digital life from phishing attacks. It ensures only you can access your accounts.
WORKS WITH 1000+ ACCOUNTS: Compatible with popular accounts like Google, Microsoft, and Apple. A single YubiKey 5 secures 100+ of your favorite accounts, including email, password managers, and more.
FAST & CONVENIENT LOGIN: Plug in your YubiKey 5 via USB and tap it to authenticate. No batteries, no internet connection, and no extra fees required.
MOST SECURE PASSKEY: Supports FIDO2/WebAuthn, FIDO U2F, Yubico OTP, OATH-TOTP/HOTP, Smart card (PIV), and OpenPGP. That means it’s versatile, working almost anywhere you need it.
BUILT TO LAST: Made from tough, waterproof, and crush-resistant materials. Manufactured in Sweden and programmed in the USA with the highest security standards.
PRIMARY & SPARE KEYS: Just like having a spare house key, we recommend buying two YubiKeys—one for daily use and one as a spare. That way you’ll never get locked out of your accounts.
YUBICO AUTHENTICATOR APP: Compatible with the safest authenticator app experience across mobile and desktop.