"What if you could go back and see that memory the way you experienced it? That's why we built Spectacles."
Snap estimates it has more than 100 million users globally of the service for sending videos, images and text messages which vanish after being viewed. Some reports say it generates 10 billion video views per day.
Google in January of last year halted sales of its Internet-linked eyewear Glass, which became available in the United States in early 2014.
The technology titan put the brakes on an "explorer" program that let people interested in dabbling with Glass -- hotly anticipated by some, mocked by others -- buy eyewear for $1,500 apiece.
The Glass test program was later expanded to Britain, but no general consumer version was released.
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Glass connected to the internet using Wi-Fi hot spots or, more typically, by being wirelessly tethered to mobile phones.
Google Glass had been hit with criticism due to concerns about privacy since the devices were capable of capturing pictures and video.
Spectacles, expected to be in limited supply when they hit the market, would put pressure on GoPro, whose mini-cameras are designed to let people capture video of endeavors from personal perspectives.
GoPro last week unveiled new Hero5 cameras, a drone called Karma and a cloud-based service for editing and sharing video in the hope of lifting profits, which have been battered by competition from all sides.
GoPro became an early hit with extreme sports enthusiasts who used the mini-cameras to film their exploits, and went on to win over teens and young adults interested in sharing videos on YouTube and social networks.