Plug-and-Play: works with FIDO2 and U2F compatible websites and services, such as Google, Microsoft, Salesforce, Amazon Web Services, etc.Mobile: Touch-and-go authentication with NFCPortable: Slim and lightweight companion with key ring for everyday access wherever you need itFlexibility: Authenticate anywhere without power and network connectivityDurability: Fully molded, robust and waterproof housingSecurity: Uses public and private key cryptography