![FIDO2 Security Key [Folding Design] Thetis Universal Two Factor Authentication USB (Type A) for Multi-Layered Protection (HOTP) in Windows/Linux/Mac OS,Gmail,Facebook,Dropbox,SalesForce,GitHub](https://m.media-amazon.com/images/I/51gaQQmMj3L.jpg)

🔐 Unlock the Future of Online Security—Because Your Data Deserves VIP Protection
The Thetis FIDO2 Security Key is a compact, durable USB Type-A device offering passwordless, multi-factor authentication with HOTP technology. Certified by the global FIDO2 standard, it ensures universal compatibility across major OS platforms and U2F-supported websites, delivering seamless, phishing-resistant login experiences. Its 360° rotating aluminum alloy cover protects against physical damage, making it the ultimate portable security companion for professionals demanding robust online account protection.







| ASIN | B07RL99HZ6 |
| Are Batteries Included | No |
| Batteries | 1 C batteries required. |
| Colour | Black |
| Connectivity technology | USB |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,012) |
| Date First Available | 8 Jun. 2019 |
| Flash memory type | USB |
| Guaranteed software updates until | unknown |
| Hardware Connectivity Technology | USB Type A |
| Item Weight | 8.49 g |
| Item model number | MB000368 |
| Lithium Battery Energy Content | 0.2 Watt Hours |
| Lithium Battery Packaging | Batteries contained in equipment |
| Lithium Battery Weight | 2 Grams |
| Manufacturer | Thetis |
| Model name | Thetis FIDO2 |
| Number Of Lithium Ion Cells | 1 |
| Product dimensions | 8D x 15W x 44H millimetres |
| UPC | 600231109321 |
A**N
Amazing product for the peace of mind in the online space
Let me tell you, the FIDO2 Security Key by Thetis is an absolute game-changer! I was stressing over potential cyber threats messing with my online accounts until I stumbled upon this. Setting it up was a breeze – clear instructions and seamless integration with all my accounts. Within a week, the cyber world went from chaos to calm, thanks to the added layer of security this key provides. What really impressed me is its compatibility with all my online platforms – emails, banking, social media – you name it, this key works with it. Plus, it's built tough, so no worries about it giving up on you. Furthermore, the performance is amazing. This makes it easy to use. Just plug in press the button on the key and there you go, you are logged in. However, if you are looking for this to unlock your pc as a physical key on the lock screen of the pc, this isn’t the key you are looking for. This is because it doesn’t work for that but only for online accounts and other use cases. If you're serious about online security and want some peace of mind, do yourself a favour and grab a FIDO2 Security Key. Trust me, you won't regret it!
P**S
No issues so far!
My first security key, seems to work just fine, easy to setup, cant complain for now. It is all made of plastic though so durability might be an issue later down the line.
I**.
Great little FIDO2 Security and great first purchase of this technology
I wanted to try FIDO2 security and this key looked like a great cost effective introduction. It works great and works well many websites, including with Google, Microsoft. Also great with my password manager. It is relatively small and compact and fits on keys OK. The app you can download is a little basic, but is not really required. Areas to be improved to gain 5 stars: Only outer cover is aluminium, actual device is plastic. Only has memory for 50 keys, some (more expensive) competitors have 250. However I can't see this is going to be any issue until many more websites start using it.
C**E
This can only be used on the one computer used to register it.
This can only be used on the one computer used to register it. This is not mentioned anywhere. It's easy to use once setup but I found the installation a bit of a faff. It is the size of a small flash drive and seems quite durable. As to its security I hope it is as good as a passkey and better thana password.
W**L
Need to see
Very fiddly and VERY flimsy but dose what you want it do
L**Y
Simple to use and good value
If you just need a simple FIDO2 key, then this just works. It's simple to setup and doesn't pretend to include fingerprint detection /bluetooth etc. Just type your code in (that you chose) and press the button on the USB 'stick' and it authenticates that it is 'something that you have'.
S**V
100% get
Had this for around 2 years now still strong, it's speedy easy setup and does what it says on the tin. Good level of security anyone needs these days
N**G
I may have a dodgy item, it is hard to tell...
...because I can find very little help online that would point me in the right direction. The Thetis website, thetis.io/ , has very basic information, the supplied instruction manual is similarly lacking in detail. I tried registering an account on the Thetis website, it assumes that I am in the USA (possibly thinking that my IP address is not in the UK!). The drop down menu only gave options for Canada, Indonesia, Malaysia, UAE and Kuwait! It will not accept my attempts at trying to manually enter a UK address and postcode. I've emailed the customer support address supplied on the packaging but have not yet had a reply. The device is not being recognised in three devices, using various USB ports on each device, the device light does come on but pressing the button makes no difference. Two are Win 10 PCs and the other is a laptop running Linux. I'm not sure whether that is because the key is faulty, without any helpful guidance from the company I cannot confirm this one way or another. On the point mentioned by other reviews here about the USB connecting part of the device, it is plastic and I agree that it looks very vulnerable. I was planning to use it with short cable even before I realised this after purchase, it was not clear in the photos what material is used. I have no other USB connectors that are plastic, they a are all metal and therefore sturdier. Edit/update - I've had an email reply to the one I mentioned in this review, but no reply from trying to contact Thetis through Amazon yet. The company claim to be a Silicon Valley company, they may well be but the information on their website and the email reply is not in normal English, US or UK types. The email had various Chinese characters showing in it, which is where the people I'm dealing with probably are. They want a lot of information, some of which I had already given to them and state that they will put me in touch with the correct re-seller. Which I find odd as the issues I am having seem to be technical ones and would probably be best sorted out by the manufacturing company. I suspect that this may be a drawn out process. I've had a response from Customer Services that was a bit more helpful, but they did not seem to fully understand the issues I was having with this product, at least the response was in a form of English that made more sense. I've really tried to both use and like this item, but I'm losing the enthusiasm to persevere with it. The websites that it can work with are described as 'many' by the company, in fact I think they are quite limited. If you want to use it with some slightly non-mainstream services it isn't compatible, when similar devices might be.
G**9
genuine item
I**R
Der Stick ist klein und Leicht, die um 360 Grad schwenkbare Aluminiumkappe ist ein nettes Gimmick aber an sich eigentlich nicht wirklich erforderlich, der Stick ist viel zu leicht als das er bei einem Sturz zu Bruch gehen könnte, gröbere Gewalteinwirkung würde diesen Stick auch mit dieser Kappe beschädigen. Der Stick wurde bei allen meinen PCs auf anhieb erkannt und die erst Installation war sehr einfach, etwas Vorwissen Vorausgesetzt, für Unerfahrene Anwender sollten die üblichen Gebrauchsanweisungen leicht zu verstehen und Umzusetzen sein. Bisher habe ich den Stick seit ein Monat dauerhaft am PC stecken und dieser wird nicht warm und er funktioniert bisher sehr gut. Wer eine zusätzliche Sicherheitsschicht für Online Konten haben möchte ist mit diesem Preisgünstigen FIDO2 USB Stick gut aufgehoben, man muss aber beachten das nicht alle Online Dienste solche Sticks unterstützen, man sollte sich im Vorfeld informieren ob die Dienste wo man seine Konten zusätzlich absichern möchte solch ein Stick mit dem Protokoll FIDO2 oder U2F unterstützt.
M**O
Chiave di buona qualità ,affidabile
S**N
I bought this as a backup to my Yubikeys. I should have researched more about before buying. Currently very few websites support Thetis FIDO2. I do not recommended buying this as your first security key. It's not good value for money at this stage.
B**S
The software from thetis.io/start to setup the security key is a little confusing since it covers two devices, the security key and the finger print scanner! just run the downloaded .exe file as administrator, and plug in the key and the software recognizes the key then click on FIDO and set your PIN. the rest of the instructions are good.
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