- 19%

Thetis Pro-C FIDO2 Security Key Passkey Device with USB C & NFC, TOTP/HOTP Authenticator APP, FIDO 2.0 Two Factor Authentication 2FA MFA, Works with Windows/macOS/Linux/Gmail/Facebook/Dropbox/GitHub

Original price was: £25.99.Current price is: £20.99.

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Price: £25.99 - £20.99
(as of Jun 10, 2025 17:16:13 UTC – Details)

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Thetis PRO-A Series

THETIS Pro-A FIDO2 Security Key & NFC Enable, Passkey Compatible

Thetis PRO Dual USB Series

THETIS Pro FIDO2 Security Key with USB A & USB C & NFC Enable, Passkey compatible.

Thetis PRO-C Series

THETIS Pro-C FIDO2 Security Key & NFC Enable, Passkey Compatible

FIDO2/Passkey Authentication – Secure, passwordless login with supported platforms. Check if your intended service supports hardware keys before purchase. Works with Gmail, Facebook, GitHub, Dropbox, and more.
Enhanced Multi-Factor Authentication (MFA): Strengthen account security using either FIDO2.0 authentication or TOTP/HOTP codes, providing flexible options for added protection.
Universal Connectivity: Features USB-C and NFC compatibility, making it easy to use across various devices including PCs, Macs, iPhones, and Android phones for seamless integration.
Durable & Portable Design: Built with a 360° rotating metal cover for extra durability. Compact and lightweight, it easily attaches to a keychain for on-the-go convenience. No batteries or network required, ensuring dependable use anywhere.
FIDO Certified & Business-Ready: Certified for FIDO standards and supported by a range of management software suites, ideal for both individual users and enterprise deployment.

11 reviews for Thetis Pro-C FIDO2 Security Key Passkey Device with USB C & NFC, TOTP/HOTP Authenticator APP, FIDO 2.0 Two Factor Authentication 2FA MFA, Works with Windows/macOS/Linux/Gmail/Facebook/Dropbox/GitHub

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  1. Andrew Pakkos

    Peace of mind for my online security – simple, fast, reliable
    I’ve been using the Thetis Pro Key for about a month, and I genuinely feel more secure online. Setup was straightforward—it worked flawlessly with both my Google and Microsoft accounts. It’s compatible with Windows, macOS, and even Linux, which is perfect since I work across different platforms.The build quality is excellent—it’s aluminium, not cheap plastic, and feels sturdy enough to survive daily use. The USB-C and USB-A connectors are a nice touch, especially since I use multiple devices.Its obviously FIDO2 certified, meaning it uses strong, phishing-resistant security. No more worrying about SMS codes or authenticator apps being hacked. I even tested it by trying to log in from an unknown device without the key and it blocked me, just like it should.Tip: Make sure you register it on multiple accounts and keep a backup key stored safely in case you lose it.Overall, this is one of the best purchases I’ve made for digital safety. If you care about online security (especially if you’re in business, IT, or finance), this is a must-have.

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  2. The Traveller

    No this is not a ledger for Crypto currencies – it is a authentication device or a security key
    If you are like me you first think that this a ledger for storing your crypto currencies but it is nothing like that at all. This is just an authentication device that you would use to give you an extra layer of security when using two factor authentication. or even multi-factor authentication depending on how many layers of security you really want. For my needs and for the information I hold, two-factor authentication is more than enough.The reason why this Pro-C FIDO2 Security Key Passkey Device is so good for two-factor authentication is because firstly it’s a physical hardware device that without it nobody can access your accounts AND secondly because it uses advanced authentication standards like FIDO2 and TOTP/HOTP, making it an excellent choice for securing your digital identity. To be honest I don’t really understand how these authentication standards work, and you really don’t need to know the workings of them either. You just need to appreciate that this has great features that provide really strong protection. It makes sure that only authorized users can access their accounts, protecting against phishing attacks, account takeovers, and other security threats. It integrates the various authentication methods across various platforms in order to keep your accounts secure across them all.All you really need to understand is that once you have this device installed, it acts like a physical hardware key, giving you an extra layer of security for your digital accounts, ensuring that only you can access your accounts as you are the only one who will have this hardware key that you associate with you accounts when you install it.This key is supposed to make things easier than other hardware keys as it also offers finger print authentication, but that part is not great as it is really hit and miss when letting you in as I don’t think it has been implemented properly – well either that or it has a fault with it, and is also the reason why I have given this 4 stars.

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  3. MaryH

    Lifesaver!
    This proved the only way to access our old US-based accounts from the UK as we didn’t have US mobile phones for text codes any more. Simple. Easy. Tick.

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  4. Very Review-y

    Love this
    Great physical security device for 2FA authentication.I have only used this for some less important accounts (Google and Facebook). But honestly, I feel like Tom Cruise in Minority Report every time I use this.It works extremely well, and needing to have a physical device to access your account is a game-changer. I plan to use this on LastPass when I eventually get around to using it more.It has wide compatibility across multiple devices and browsers, too.Will update this review as I go.★★★★★ – Excellent–My ratings explained:★★★★★ – Excellent: Outstanding product, exceeds expectations in all aspects.★★★★½ – Very Good: High quality with minor imperfections, almost perfect.★★★★☆ – Good: Solid product, generally reliable with room for some improvements.★★★½☆ – Above Average: Performs well but has a few noticeable flaws.★★★☆☆ – Average: Adequate, meets basic needs with visible areas for improvement.★★½☆☆ – Fair: Below expectations, issues that impact user experience.★★☆☆☆ – Below Average: Major issues, underwhelms in most areas.★½☆☆☆ – Poor: Significant problems, needs substantial improvement.★☆☆☆☆ – Very Poor: Fails on almost all counts, highly unsatisfactory.

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  5. David Lang

    Could b good? but
    Ive got to b honest i dont knowHow to use i it no indtructions notg ood

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  6. Your_Average_Joe

    cost effective two factor authentication solution for the average home use
    ☑️ As described and as advertised.☑️ Adequately packaged and presented.☑️ Good brand with a good reputation – some security focused colleagues recommend this for the average home user given the price point.☑️ Excellent compatibility chart so you can see what’s covered and what’s not – please read before purchase.☑️ Good instructions and because a well known brand you can get online help from other sources for guides etc.☑️ Easy and cost effective two factor authentication solution for the average home user!

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  7. Cleverals

    De momento bien todo.

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  8. Vito Moramarco

    Ottima se usata con Windows, iOS e Android. Non l’ho provata su Mac. Ho provato su Linux ma senza esito positivo, troppo complicato installare i componenti PAM. E’ anche vero che si può utilizzare Chrome per configurarla, ma non è come usare il software per Windows che rende chiaro visualizzare tutti gli account collegati.Non uso praticamente più password. La uso con Apple, Google, Github, Amazon, Microsoft, app bancarie, Facebook, Instagram.Per Linux è consigliabile purtroppo Yubi, ma costa anche tre volte di più.L’unico neo, se lo avessi saputo prima di acquistarne due (una sempre di backup, anzi ricordarsi di aggiungere entrambe le chiavi quando si registrano su un account), avrei preso la versione con impronta digitale così da non inserire il PIN per il riconoscimento.Ottimo anche l’uso con NFC. Sugli smartphone è comodissimo e anche istantaneo.Ottimi anche i materiali e la costruzione generale.

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  9. Aston DB9

    produit conforme a la description , juste le logiciel fournie qui et capricieux

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  10. Dries Pottie

    I’ve been using the Thetis Pro-C FIDO2 key for a while now, primarily for basic two-factor authentication, and I’m quite satisfied with its performance. While I haven’t explored all of its advanced features like TOTP/HOTP, everything I need it for works flawlessly.I use the Thetis Pro-C alongside a Yubico key, and I honestly can’t tell the difference in speed or basic functionality. Both keys perform equally well in securing my accounts. This makes the Thetis Pro-C an excellent value proposition, offering comparable performance to more expensive brands at a more affordable price point.Pros:- Reliable FIDO2 performance- Comparable speed and functionality to Yubico keys- Excellent value for moneyCons:- None at the moment* I haven’t tested all advanced features!Overall:If you’re looking for a reliable and affordable FIDO2 security key for basic two-factor authentication, the Thetis Pro-C is a great option. It offers solid performance and is a great alternative to more expensive brands.*** Top tip for those who say NFC doesn’t work: ***The protective bracket that the key rotates in is made of metal (aluminum), which blocks the NFC chip. You must therefore unfold the key before you can scan it.This is a bit annoying at times, but on the other hand, it offers an extra layer of security.

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  11. Anonymous

    I think this key is the best bang for your buck compared to other brands especially because it’s Fido2 with NFC.I skipped out on the more well known/popular brand because these are half the price and I wanted to buy 2.$50 for a main key and a back up is great considering this lil key could potentially save your bank accounts from being drained one day or scammers getting onto accounts with your card info.I also chose this key because I like the design and how it can be folded to cover the USB-C so you don’t accidently bend it or something while carrying it around. You also don’t have to worry about it falling out of the holder like the super tiny keys. So this one is great to have on your keychain.I use one of the more expensive keys for work and compared to this brand I would say set up and use if pretty much the same and it’s very simple to use.For me, the only con to this key is that using NFC is kinda finicky. It’s not that it doesn’t work BUT with this one you have to have it held up to your phone precisely or it will not read. So that’s kinda eh to me but I still love it.And for those of you who are new to using these, it’s fairly simple to use even if you’re not tech savvy. Scan the QR code on the device or got to their website and download their program so you can set your pin and then you’re good to go.- Sign into the accounts you want to use this device with (not all websites support this feature yet btw)- open your security settings- set it up would just set it up as you would 2 set authentication. You should have the option to choose “physical key”. Plug it in, type in your pin, press the lil button on your key and you’re golden. You’ll use that same method when you login.

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    Thetis Pro-C FIDO2 Security Key Passkey Device with USB C & NFC, TOTP/HOTP Authenticator APP, FIDO 2.0 Two Factor Authentication 2FA MFA, Works with Windows/macOS/Linux/Gmail/Facebook/Dropbox/GitHub
    Thetis Pro-C FIDO2 Security Key Passkey Device with USB C & NFC, TOTP/HOTP Authenticator APP, FIDO 2.0 Two Factor Authentication 2FA MFA, Works with Windows/macOS/Linux/Gmail/Facebook/Dropbox/GitHub

    Original price was: £25.99.Current price is: £20.99.

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