I suspect the device is some kind of necklace that actively listens to the environment, records and summarises conversations, and has Siri/Alexa-like capabilities. I don't think this is groundbreaking enough to make people comfortable with an always listening device that transmits to the cloud.
I'll believe it when I see it. Making hardware is much more complex than making software, and 2 years is a long time given the iffy market circumstances right now, so let's see if it's materializes, and if it does...
> but it’s rumored to be screen-free and “roughly the size of a smartphone.”
Let's see if it turns out to be another Humane situation.