The team of Google Glass, now called Project Aura, is reportedly working on three new prototypes of wearable technology. One of them happens to be a gadget which relies entirely on audio. It is unclear at this point how it will be different from any other pair of headphones or a Bluetooth earpiece. However, it is highly likely to be part of the Project’s work on hands-free computing.

Started in June as the successor to the Google Glass division, Project Aura was initially part of Google X “moonshots” lab. It’s now headed by Tony Fadell, the Nest Labs CEO, along with the reputed designer, Ivy [...]