TrustKey G310 security key features a USB A plug.
The keys are supporting the FIDO2 Level 2 standard.
The G310 security key is a USB hardware token made for FIDO™️ authentication using eWBM MS500, a powerful microprocessor with the extensive security features, and a fingerprint sensor with a world-leading fingerprint recognition algorithm.
Certified with the new FIDO2 standard, G310 provides the benefit of fast login and a strong protection against phishing, account takeover as well as many other online attacks. Simply plug G310 into a USB port according to the login procedure then touch the fingerprint sensor on the key to complete the login and access the account.
Moreover, G310 is compatible with all the major web browsers where WebAuthn is implemented, and works seamlessly on many online services like Google, Dropbox, Facebook, Twitter, GitHub and many more.
It is the world's first and only FIDO2 Level 2 security key.