Screen-free Google Glass reportedly in testing

Google is reportedly working on several new Google Glass prototypes, and one of them doesn’t even feature a screen.
Back in January it emerged that Google had put its Google Glass project on hold, pulling the contentious smart glasses from early availability.
However, throughout the year since we’ve heard numerous reports and rumours of a renewed Google Glass effort. Most recently, it emerged that Google had relaunched the Google Glass initiative under the Project Aura name, with Nest CEO and iPod designer Tony Fadell taking the lead.
Now The Information has provided some new details on the nature of this new wearable project.
According to the report, Google’s Project Aura currently entails one wearable device with a screen and at least one without. There have been three in development, but that may well be whittled down to two.
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One of these devices is apparently being targeted at business users, and this one comes with a screen as before. Intriguingly, the other devices don’t have a screen at all, relying instead on audio. One of these is said to be targeted at “sport” users – presumably a fitness wearable of some sort.
Apparently, these screen-free devices will use bone conduction technology for their audio output, like the original Google Glass, so they won’t physically block up your ears.
Could Google’s next big wearable effort effectively be a smart headband?