FIDO2 NFC Key by Excelsecu is a hardware authenticator complying with FIDO2 and FIDO U2F standards. It works on PC and mobile via NFC, USB A, and USB C. Users can utilize the passwordless feature, eliminating the need to remember and enter passwords. It is an important application of two-factor authentication (2FA). It works with Google, Microsoft, Facebook, Dropbox, GitHub, Salesforce, Dashlane, and many other services. The eSecu FIDO2 Security Key supports OTP (TOTP/HOTP) and optional PKI/PIV functions. It is a standard HID device (no driver needed) and supports FIDO2 and FIDO U2F protocols. NFC is supported, allowing iPhone (iOS 13 and above) and Android phones with NFC to log in to FIDO-compliant websites. USB A (FD202 and FD202C) and USB C (FD202C only) are supported. Supports passwordless authentication, two-factor authentication, and multi-factor authentication. OTP (TOTP/HOTP) is supported for up to 50 accounts. PKI/PIV functions are optional. Durable and portable design, 360° rotating casing protects USB port.