Circular video plays full screen on any device, in any orientation, and captures the human perspective with a 115 degree field of view.
By tapping the button on the top left-hand corner of the sunglasses, users will begin ecording a snap. It will automatically stop recording after 10 seconds - but additional recording time can be achived by tapping again.
There is an inward-facing light that turns on when a user is snapping, and an outward-facing light that alerts anyone in his/her field of vision.
Users can get about a day out of their Spectacles, Snap says.
Snapchat said that "a limited number" of Spectacles are expected to be available later this year and will cost $129.99 per pair.
Snapchat is also changing the name of the company to Snap Inc.
"Now that we are developing other products, like Spectacles, we need a name that goes beyond just one product - but doesn’t lose the familiarity and fun of our team and brand. We decided to drop the "chat" and go with Snap Inc.," the company said.