Thetis Nano-C FIDO2 Security Key Hardware Passkey Device with USB Type C, TOTP/HOTP, FIDO2.0 Two Factor Authentication 2FA MFA, Works with Windows/mac/iOS/Android/Linux/Gmail/Facebook/GitHub/Coinbase

Price: $24.99
(as of Nov 11, 2025 18:12:27 UTC – Details)

Product description

For First-time User: Initial Key Setup must use the Thetis Key Manager from PC or MAC.

1 FIDO2 2FA Authentication

2 Passkey Functionality

3 TOTP 2FA Code Storage

4 Secure Password Manager

5 App Support

Note: The Thetis Security key is exclusively compatible with BofA’s web version of the financial banking system; it does not work with the app-based version.

Technical Specifications

Connector USB-C NFC Enable No Passkey Slots 200 OATH Slots 50 Design NANO USB Design with aluminum shield Algorithm SHA256, AES, HMAC, ECDH, ECDSA Certificate CE, FCC, RoHS, WEEE, FIDO2 L1 Productivity & communication Google account, Microsoft account, Zoho account Password managers 1Password, Dashlane Premium, Keeper, LastPass Premium Online Shopping Amazon.com, Bestbuy.com Social Instagram, Facebook, X (Twitter), YouTube App Support Thetis Authenticator for Mobile & Thetis Manager For Desktop

Comparision Table

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Customer Reviews

4.1 out of 5 stars 102

4.4 out of 5 stars 948

4.3 out of 5 stars 900

4.3 out of 5 stars 1,086

3.7 out of 5 stars 90

4.0 out of 5 stars 247

4.1 out of 5 stars 394

Price

$24.99$24.99

$25.70$25.70

$24.19$24.19

$29.99$29.99

$49.99$49.99

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USB Port Type

USB C

USB A

USB A

USB C & USB A

USB A

USB A

USB C

Passkey Slots

200

50

0

50

50

50

200

OATH Slots

50

50

50

50

50

50

50

Mobile Authentication via NFC

✘

✘

✘

✔

✘

✘

✔

Form Factor

✔

✔

✔

✔

✔

✔

✔

Fingerprint Support

✘

✘

✘

✘

✔

✘

✘

Bluetooth Support

✘

✘

✘

✘

✘

✔

✘

Ultra-Compact FIDO2 Security Key – Plug-and-stay or carry on a keychain. This USB-C hardware security key offers portable, always-on protection for desktop and mobile use.(Item Size: 0.73 X 0.60 X 0.30 inches)
USB-C Hardware Key for All Devices – Works with USB-C ports on PC, Mac, Android, and USB-C iPhones. Enables secure, cross-platform login with FIDO2.0 passkey support.
FIDO Certified Security Key – Meets FIDO and FIDO2 standards. Works with Google, Microsoft, GitHub, Dropbox, and more. Please check service compatibility before purchase.
Passwordless Login with Passkey – Supports passkey login via WebAuthn and CTAP2. Enjoy password-free sign-ins where supported. Not all websites or services currently support passkeys.
Advanced Multi-Factor Authentication – Offers 200 FIDO2 passkey slots and 50 OATH-TOTP slots. Strong, flexible 2FA/MFA support across various apps and authentication platforms.
Known Limitations – Account login via Chrome browser is supported on all Windows versions. Windows Hello login requires Enterprise edition with Entra ID. ID Austria not supported (requires FIDO2 L2).