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
OVERVIEW
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
$24.99
(as of Feb 16, 2026 12:20:13 UTC –
Details
)
Categories: Electronics > Computers & Accessories > Data Storage > USB Flash Drives
ASIN: B0F3JX7F76
What customers are saying
Product overview
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
4.2 out of 5 stars 127
4.3 out of 5 stars 1,025
4.3 out of 5 stars 913
4.2 out of 5 stars 1,203
3.6 out of 5 stars 94
4.1 out of 5 stars 251
4.0 out of 5 stars 462
Price
$24.99$24.99
$25.70$25.70
$24.19$24.19
$29.65$29.65
$49.99$49.99
$29.99$29.99
$29.95$29.95
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).
Technical details
| Connectivity Technology | USB |
|---|---|
| Color | Black |
| Model Name | Thetis Nano C FIDO2 Security Key |
| Product Dimensions | 0.3"D x 0.6"W x 0.3"H |
| Flash Memory Type | USB |
| Manufacturer | Thetis |
| Hardware Connectivity Technology | USB Type C |
| UPC | 850065774039 |
| ASIN | B0F3JX7F76 |
| Release date | June 19, 2025 |
| Customer Reviews |
4.2 out of 5 stars |
| Best Sellers Rank |
|
| Type of item | Personal Computers |
| Language | English |
| Item model number | MB000504 |
| Item Weight | 0.04 ounces |
| Date First Available | April 2, 2025 |
Warranty & Support
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