Will this work with Twitter, much like the Yubikey?

It should do - the ordinary Feitian key certainly does - but depending on your computer, you may have to connect it via USB anyway - I couldn't get my Mac to work with Bluetooth for U2F. The NFC mode will work on Android, as long as you have a recent phone. You can also use the key with Facebook and other sites. If it were me, I'd probably go with the Feitian ePass and not worry about Bluetooth. Or, if you use LastPass as your password manager, get a Yubikey NEO, as LastPass only supports Yubikey OTP, not U2F at the moment

Is this the T1 or T2 version of this product?

It doesn't have T1 or T 2 on it, it has a number 3 in a circle where you would expect T1 written near the mico-USB port

Does it work with iphone or i need some kind of adaptor?

Dear Madam/Sir, on IOS you need to use the free application SmartLock available on Apple store.

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🔐 Own your digital fortress—security that moves as fast as you do!

TRUSTED EUROPEAN SUPPORT - Backed by reliable stock and customer service from France, ensuring peace of mind and swift assistance when you need it.
CROSS PLATFORM COMPATIBILITY - Supports Chrome OS, Windows, macOS, Linux, Android, and iOS—security that travels with you, no matter your ecosystem.
UNBREAKABLE PHISHING DEFENSE - Site-specific keys ensure your secrets never leave your device—no phishing or man-in-the-middle attacks can breach your accounts.
SEAMLESS MULTI DEVICE SECURITY - Connect effortlessly via USB, NFC, or Bluetooth BLE for instant authentication across desktops, laptops, tablets, and smartphones.
WIRELESS FREEDOM WITH STABILITY - Authenticate instantly without plugging in, thanks to robust BLE and NFC protocols that blend convenience with rock-solid security.

The Feitian Multipass FIDO U2F Security Key is a compact, rechargeable authentication device offering triple wireless and wired connectivity (USB, NFC, Bluetooth BLE). It delivers phishing-resistant, site-specific two-factor authentication compatible with all major operating systems, empowering professionals to secure their digital identities effortlessly with trusted European support.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Model name	Multipass FIDO
Flash memory type	usb
Manufacturer	Feitian Technologies
Hardware Connectivity Technology	USB Type A
Product Dimensions	4.45 x 3.18 x 0.64 cm; 49.9 g
Batteries	1 AAA batteries required. (included)
Item model number	K16
Computer Memory Type	DDR2 SDRAM
Hard Drive Interface	USB 1.1
Wireless Type	Bluetooth
Are Batteries Included	Yes
Lithium Battery Energy Content	0.13 Watt Hours
Lithium Battery Packaging	Batteries contained in equipment
Lithium Battery Weight	0.97 g
Number Of Lithium Ion Cells	48
Item Weight	49.9 g
Guaranteed software updates until	unknown

Feitian Multipass FIDO U2F Security Key

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