Yubico Yubico – Security Key NFC – USB-A – Two Factor Authentication Security Key

– Protect online accounts against unauthorized access. – Works with Twitter, Facebook, Gmail, GitHub, Dropbox, Dashlane, Salesforce, Duo, Centrify and hundreds of other services. – Durable, waterproof, and crush resistant – Fits USB-A computer ports and designed to fit on your keychain – Interface: USB-A and NFC – Supported protocols: U2F and FIDO2 – Made in the USA & Sweden – Always keep a spare key as backup – Size & weight: 18 mm X 45 mm X 3.3 mm, 3 gr.