---
product_id: 283952700
title: "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"
brand: "thetis"
price: "£46.73"
currency: GBP
in_stock: true
reviews_count: 5
category: "Thetis"
url: https://www.desertcart.co.uk/products/283952700-thetis-security-key-u2f-and-fido2-usb-a-two-factor
store_origin: GB
region: United Kingdom
---

# Bluetooth Low Energy + NFC mobile pairing FIDO2 & U2F multi-protocol security HOTP multi-step authentication 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

**Brand:** thetis
**Price:** £46.73
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock the future of secure access — passwordless, portable, and powerful.

## Quick Answers

- **What is this?** 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 by thetis
- **How much does it cost?** £46.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/283952700-thetis-security-key-u2f-and-fido2-usb-a-two-factor)

## 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

- • **Rugged Elegance:** Sleek, ultra-lightweight aluminum design with 360° rotating cover built to withstand daily wear.
- • **Multi-Layered Defense:** Advanced HOTP technology ensures an extra shield against phishing, hacking, and theft.
- • **Universal Compatibility:** Works flawlessly across Windows, macOS, Linux, and major browsers with backward U2F support.
- • **Seamless Mobile Security:** Connect effortlessly to iPhone & Android via BLE and NFC for on-the-go protection.
- • **Future-Proof Passwordless Access:** Leverage FIDO2 protocol to ditch passwords and stay ahead in digital security.

## Overview

Thetis Security Key is a compact, Bluetooth-enabled FIDO2 and U2F authenticator designed for professionals demanding robust, passwordless multi-factor authentication. Compatible with major OS and browsers, it features HOTP for layered security and a durable aluminum casing with a rotating cover, ensuring reliable protection against phishing and cyber threats wherever you go.

## Description

Introducing the new Thetis FIDO2 BLE Security Key for online account and password protection. Backed by powerful BLE technology, now instantly connect your security key via Bluetooth to your favorite devices (i.e. iPhone or Android). FIDO2 Certified passwordless technology prevents phishing, hacking, theft, and more. Backwards compatibility with U2F and HOTP for multi-step authentication. FIDO2 BLE TECHNOLOGY Connect separate devices via Bluetooth technology so iPhone or Android users can get and stay protected. FIDO U2F COMPATIBILITY Backwards compatibility with all registered U2F protocols for popular operating systems such as: Windows, macOS, etc. HOTP (One Time Password) A multi-factored authentication process to help prevent phishing, hacking, online theft, etc.

Review: Practica - Resulto ser lo que esperaba :)
Review: FIEL A LA DESCRIPCION - FIEL A LA DESCRIPCION

## 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 |
|---------------|-------|
| ASIN | B0821SK3PR |
| Additional Features | Encrypted, Lightweight, Passkey, bluetooth 4.0 |
| Brand | Thetis |
| Brand Name | Thetis |
| Color | Black |
| Colour | Black |
| Connectivity Protocol | Bluetooth |
| Customer Reviews | 4.2 out of 5 stars 230 Reviews |
| Item Dimensions | 5.3 x 1.9 x 0.3 centimeters |
| Item Weight | 0.6 Ounces |
| Item dimensions L x W x H | 5.3 x 1.9 x 0.3 centimeters |
| Item weight | 0.6 Ounces |
| Manufacturer | Thetis |
| Manufacturer Part Number | MB000385 |
| Model Name | Thetis FIDO2 Security Key |
| Model Number | MB000385 |
| Number of Items | 1 |
| Number of Pieces | 1 |
| Number of pieces | 1 |
| Special features | Encrypted, Lightweight, Passkey, bluetooth 4.0 |
| UPC | 600231109833 |
| Unit Count | 1 Count |

## 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

![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 - Image 1](https://m.media-amazon.com/images/I/51p303RExQL.jpg)
![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 - Image 2](https://m.media-amazon.com/images/I/31US0FxxqRL.jpg)
![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 - Image 3](https://m.media-amazon.com/images/I/61-v46vrLIL.jpg)
![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 - Image 4](https://m.media-amazon.com/images/I/41NUxoUkJCL.jpg)
![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 - Image 5](https://m.media-amazon.com/images/I/41S9jZLJfwL.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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Practica
*by D***A on 30 September 2021*

Resulto ser lo que esperaba :)

### ⭐⭐⭐⭐⭐ FIEL A LA DESCRIPCION
*by N***L on 9 June 2024*

FIEL A LA DESCRIPCION

### ⭐⭐⭐⭐⭐ Prodotto indispensabile
*by S***4 on 8 May 2024*

Ormai è tempo di proteggere bene gli account, le sole password (anche quelle più complicate) presto saranno inutili. Con questo prodotto avrete un fattore di autenticazione (2fa) sicurissimo. Credo che molto presto le password spariranno, meglio prepararsi in anticipo!

## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-08-08*