YUBIKEY 5 NFC - Second Factor Authenticator

* Protect online accounts against unauthorized access. * Works with Google, Facebook, Dropbox, Twitter, LastPass, Dashlane, and hundreds of other services. * Durable, waterproof, and crush resistant * Fits USB-A computer ports and designed to fit on your keychain * Multi-protocol support: FIDO2, Yubico OTP, OATH-TOTP, OATH-HOTP, Smart card (PIV), OpenPGP, Challenge-Response. * Interface: USB-A and NFC * Made in the USA & Sweden * Always keep a spare key as backup * Size & wheight: 18 mm X 45 mm X 3.3 mm, 3 gr.