Thetis Pro-A FIDO2 Security Key Passkey Device — USB-A & NFC, TOTP/HOTP Authenticator, 2FA/MFA

Protect accounts with a certified FIDO2 passkey and flexible multi-factor authentication. The Thetis Pro-A Security Key delivers passwordless FIDO2 login plus TOTP/HOTP codes for robust two-factor (2FA) and multi-factor (MFA) security across Windows, macOS, Linux, Gmail, Facebook, Dropbox, GitHub and more.

Passwordless FIDO2 / Passkey authentication for secure, phishing-resistant logins
Built-in TOTP/HOTP authenticator app for time-based or counter-based codes
Dual connectivity: USB-A for desktops and NFC for smartphones and tablets
Durable 360° rotating metal cover — compact, lightweight and keychain-ready
Certified FIDO security and business-ready for enterprise deployments
No batteries or network required — works offline anywhere

Important: Check whether your service supports hardware security keys or passkeys before purchase.

Key benefits

Faster, safer logins: Replace passwords with FIDO2 passkeys to reduce phishing and credential theft.
Flexible MFA options: Use FIDO2 for passwordless access or TOTP/HOTP for services that need code-based verification.
Broad device support: USB-A and NFC give compatibility with PCs, Macs, Linux machines, iPhones and Android devices.
Portable security: Robust metal design and keychain loop make it ideal for everyday carry.

Compatibility (examples)

Platforms: Windows, macOS, Linux, most modern browsers
Services: Gmail, Facebook, GitHub, Dropbox (confirm service support first)
Devices: USB-A ports and NFC-enabled smartphones/tablets

How to use

Plug the Thetis Pro-A into a USB-A port or tap via NFC on a supported mobile device.
Register the key with your account’s security or 2-step verification settings (select FIDO2/Passkey or add as a TOTP/HOTP token).
Authenticate with a tap or the generated code whenever prompted — no batteries or network needed.

Specifications

Brand: Thetis
Hardware Interface: USB (USB-A) + NFC
Special Feature: Lightweight, keychain ready
Write Speed: 40 MB/s
Read Speed: 480 Bytes/s

What’s in the box

Thetis Pro-A FIDO2 Security Key (USB-A + NFC)
Quick start guide

Buy with confidence — certified FIDO security and enterprise-ready management support make the Thetis Pro-A an easy upgrade to stronger, simpler account protection. Add to cart to secure your accounts with passwordless FIDO2 and flexible TOTP/HOTP MFA.

Secure and convenient passwordless authentication for various platforms with the Thetis Pro-A. Enhance your account protection with multi-factor authentication and seamless connectivity across devices.