The Veri Mark Guard USB (Universal Serial Bus)-A Fingerprint Key offers the latest in biometric authentication. FIDO2 & FIDO U2F certified with expanded authentication options, including strong single-factor (passwordless), dual, multi-factor & Tap-&-Go for FIDO U2F services. Maximum compatibility with web services including Google, Facebook & Microsoft (for Windows Hello, refer to Veri Mark or Veri Mark IT), with support for Chrome, Edge, Firefox & Safari. Exceeds industry standards for false acceptance rate (FAR) & false rejection rate (FRR). Supports GDPR compliance.