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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

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  • 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).
Overview
Specs
Reviews
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MB000504_B0F3JX7F76_A+_001
MB000493_A+002a
Thetis pro universal
MB000477_A+003e1

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 .com, Bestbuy.com
Social Instagram, Facebook, X (Twitter), YouTube
App Support Thetis Authenticator for Mobile & Thetis Manager For Desktop

Comparision Table

https://m.media-amazon.com/images/S/aplus-media-library-service-media/2a78f734-7371-479b-b109-533c324b245b.__AC_SR200,225___.jpg

FIDO2 NANO USB C

https://m.media-amazon.com/images/S/aplus-media-library-service-media/d8c6342a-43fd-40d5-bd1f-6764558a8750.__CR0,0,200,225_PT0_SX200_V1___.jpg

FIDO2 USB A Key

https://m.media-amazon.com/images/S/aplus-media-library-service-media/320431ca-fe39-4879-b2e7-3a20239da1ba.__CR0,0,200,225_PT0_SX200_V1___.jpg

FIDO U2F USB A Key

https://m.media-amazon.com/images/S/aplus-media-library-service-media/7f01a538-77c0-43c0-ab50-318b035cc04d.__CR0,0,200,225_PT0_SX200_V1___.jpg

FIDO2 USB C & A NFC

https://m.media-amazon.com/images/S/aplus-media-library-service-media/e9a8697c-80e4-4d7a-9cce-1c79778d1e38.__CR0,0,200,225_PT0_SX200_V1___.jpg

FIDO2 USB A Fingerprint

https://m.media-amazon.com/images/S/aplus-media-library-service-media/ff060ea6-d62d-4784-8739-3d9ce847fde1.__CR0,0,200,225_PT0_SX200_V1___.jpg

FIDO2 USB A Bluetooth

https://m.media-amazon.com/images/S/aplus-media-library-service-media/eefa4701-e761-4821-9735-8bdf2d7816ec.__AC_SR200,225___.jpg

FIDO2 USB C NFC Key

Customer Reviews
———————
Price
———————
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
? ? ? ? ? ? ?
MB000504_B0F3JX7F76_A+_001mobil
MB000493_A+002b

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

MB493_A+004_app
MB000477_A+003e2

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.com, Bestbuy.com
Social Instagram, Facebook, X (Twitter), YouTube
App Support Thetis Authenticator for Mobile & Thetis Manager For Desktop

Comparision Table

https://m.media-amazon.com/images/S/aplus-media-library-service-media/2a78f734-7371-479b-b109-533c324b245b.__AC_SR200,225___.jpg

FIDO2 NANO USB C

https://m.media-amazon.com/images/S/aplus-media-library-service-media/d8c6342a-43fd-40d5-bd1f-6764558a8750.__CR0,0,200,225_PT0_SX200_V1___.jpg

FIDO2 USB A Key

https://m.media-amazon.com/images/S/aplus-media-library-service-media/320431ca-fe39-4879-b2e7-3a20239da1ba.__CR0,0,200,225_PT0_SX200_V1___.jpg

FIDO U2F USB A Key

https://m.media-amazon.com/images/S/aplus-media-library-service-media/7f01a538-77c0-43c0-ab50-318b035cc04d.__CR0,0,200,225_PT0_SX200_V1___.jpg

FIDO2 USB C & A NFC

https://m.media-amazon.com/images/S/aplus-media-library-service-media/e9a8697c-80e4-4d7a-9cce-1c79778d1e38.__CR0,0,200,225_PT0_SX200_V1___.jpg

FIDO2 USB A Fingerprint

https://m.media-amazon.com/images/S/aplus-media-library-service-media/ff060ea6-d62d-4784-8739-3d9ce847fde1.__CR0,0,200,225_PT0_SX200_V1___.jpg

FIDO2 USB A Bluetooth

https://m.media-amazon.com/images/S/aplus-media-library-service-media/eefa4701-e761-4821-9735-8bdf2d7816ec.__AC_SR200,225___.jpg

FIDO2 USB C NFC Key

Customer Reviews
———————
Price
———————
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
? ? ? ? ? ? ?

Product information

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
Release date June 19, 2025
Type of item Personal Computers
Language English
Item model number MB000504
Item Weight 0.04 ounces
Date First Available April 2, 2025

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