---
product_id: 283952700
title: "Security Key - U2F and FIDO2, USB A, Two Factor Authenticator with Bluetooth, Multi-Layered Authentication Protection HOTP U2F Compatible Windows, MacOS, Gmail, Linux - Black"
brand: "thetis"
price: "€ 64.62"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/283952700-security-key-u2f-and-fido2-usb-a-two-factor-authenticator
store_origin: HR
region: Croatia
---

# Bluetooth Low Energy + NFC mobile pairing FIDO2 & U2F multi-protocol security 360° rotating aluminum alloy cover Security Key - U2F and FIDO2, USB A, Two Factor Authenticator with Bluetooth, Multi-Layered Authentication Protection HOTP U2F Compatible Windows, MacOS, Gmail, Linux - Black

**Brand:** thetis
**Price:** € 64.62
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock the future of secure access — no passwords, no compromises.

## Quick Answers

- **What is this?** Security Key - U2F and FIDO2, USB A, Two Factor Authenticator with Bluetooth, Multi-Layered Authentication Protection HOTP U2F Compatible Windows, MacOS, Gmail, Linux - Black by thetis
- **How much does it cost?** € 64.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/283952700-security-key-u2f-and-fido2-usb-a-two-factor-authenticator)

## Best For

- thetis enthusiasts

## Why This Product

- Trusted thetis brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal Compatibility:** Works flawlessly across Windows, macOS, Linux, and major browsers with backward U2F support.
- • **Advanced Multi-Factor Defense:** HOTP technology ensures layered, personalized authentication beyond simple 2FA.
- • **Seamless Multi-Device Security:** Connect effortlessly via Bluetooth and NFC to iOS & Android for on-the-go protection.
- • **Future-Proof Passwordless Access:** Leverage FIDO2 protocol to ditch passwords and embrace next-gen authentication.
- • **Rugged Elegance Meets Portability:** Slim, durable aluminum design with 360° rotating cover guards your key from daily wear.

## Overview

The Thetis FIDO2 Security Key is a cutting-edge two-factor authenticator featuring Bluetooth Low Energy and NFC for seamless mobile connectivity. It supports both FIDO2 and U2F protocols, ensuring broad compatibility with Windows, macOS, Linux, and popular browsers. Designed with advanced HOTP multi-factor authentication and housed in a sleek, durable aluminum alloy casing with a 360° rotating cover, it offers robust protection against hacking, phishing, and theft. Ideal for professionals demanding effortless, passwordless security on the go.

## Description

Security Key - U2F and FIDO2, USB A, Two Factor Authenticator with Bluetooth, Multi-Layered Authentication Protection HOTP U2F Compatible Windows, MacOS, Gmail, Linux - Black

## Features

- Mobile Bluetooth Compatibility - Connect to various iPhone or Android devices using advanced Bluetooth Low Energy Technology. Plus, NFC with iOS, and Android devices. Protection to prevent hacking, theft, scams, phishing, etc.
- No More Passwords - Revolutionizing the future of online security and account protection by being backed by FIDO2 protocol technology and the world’s largest standard-based, interoperable authentication processes. An effortless password-less world now awaits. **Note: FIDO2 does not support Mac log-in.
- Keep Online Account Safe - All our FIDO2 keys are backward compatible with U2F protocols and coincide with the latest Chrome browser and other popular operating systems including: Windows, macOS, and even Linux. U2F is supported and protected on all websites that follow U2F protocols. Note: Only Enterprise Users using Azure Active Directory can access Windows Hello log-in via Thetis FIDO2 BLE Security Key.
- Multi-Step Authentication - Designed with advanced HOTP (One Time Password) technology that offers an intricate and personalized multi-factored authentication process.
- Sleek & Durable Design - A sleek and slim black frame with a full 360 rotating aluminum alloy cover that protects the USB connector during non-use. Durable, reliable, and sturdy alloy protects the Thetis Key from daily use, accidental drops, and minor scratches. Thetis are proud to offer our customers a full 1-Year Warranty.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Connectivity technology | Bluetooth, USB |
| Colour | Black |
| Model name | Thetis FIDO2 Security Key |
| Flash memory type | USB |
| Manufacturer | Thetis |
| Hardware Connectivity Technology | USB Type A |
| UPC | 600231109833 |
| Product Dimensions | 9.14 x 7.87 x 1.27 cm; 17.01 g |
| Item model number | MB000385 |
| Color | Black |
| Processor Count | 1 |
| Hardware Platform | Mac |
| Are Batteries Included | No |
| Item Weight | 17 g |

## Product Details

- **Brand:** Thetis
- **Hardware interface:** USB 2.0
- **Special features:** Encrypted, Lightweight, Passkey, bluetooth 4.0
- **Writing speed:** 480.0
- **Reading speed:** 480 Bytes Per Second

## Images

![Security Key - U2F and FIDO2, USB A, Two Factor Authenticator with Bluetooth, Multi-Layered Authentication Protection HOTP U2F Compatible Windows, MacOS, Gmail, Linux - Black - Image 1](https://m.media-amazon.com/images/I/51p303RExQL.jpg)

## Questions & Answers

**Q: Can you recover it if you lose or break this?**
A: No, just like the key to your house, if you don't have a backup key or other backup solution, you won't be able to access without it.

**Q: Where is this manufactured?**
A: Designed in California and made in china cause it is cheaper to make it there.

**Q: has anyone got the blue tooth feature to work with a computer or IOS device??**
A: yes

**Q: Do the bluetooth or NFC features work with it not plugged into a power source (ex. in your pocket/ on a keychain)?**
A: No. It won't work.

## Frequently Bought Together

- Thetis Security Key - U2F and FIDO2, USB A, Two Factor Authenticator with Bluetooth, Multi-Layered Authentication Protection HOTP U2F Compatible Windows, MacOS, Gmail, Linux - Black
- Thetis Pro FIDO2 Security Key, Two Factor Authentication NFC Security Key FIDO 2.0, Dual USB A Ports & Type C for Multi layered Protection (HOTP) in Windows/MacOS/Linux, Gmail, Facebook,Dropbox,Github
- Yubico - YubiKey 5 NFC - Two-Factor authentication (2FA) Security Key, Connect via USB-A or NFC, FIDO Certified - Protect Your Online Accounts

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**Shop now:** [https://www.desertcart.hr/products/283952700-security-key-u2f-and-fido2-usb-a-two-factor-authenticator](https://www.desertcart.hr/products/283952700-security-key-u2f-and-fido2-usb-a-two-factor-authenticator)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-22*