The Bluetooth key makes it easy to authenticate with any mobile device. The discrepancies among port choices are confusing and will likely cause people with USB-C devices to look elsewhere. It's almost like the team that designed the Titan Security Key wasn't in contact with Google's larger hardware team. The Bluetooth version of the key has a microUSB port for charging, but it would have made much more sense if Google made this a USB-C port for fast charging, especially since Google has been championing the port. The USB-A key will work for most laptops, and a USB-A-to-USB-C dongle is included in the box - handy if you have a MacBook or MacBook Pro. The Titan doesn't work with iOS devices, but with Apple opening up the iPhone's NFC capabilities in recent updates, that may change at some point. Hopefully it will come when Google unveils its new Pixel devices. That's not a bad thing, but when it comes to the ports being put on the keys, it's a strange decision.īoth the USB-A and Bluetooth keys have NFC built in, but the functionality isn’t turned on yet. The device looks like a traditional security key. The Titan Security Key looks like any other physical authenticator.

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