The specs were on show at the Connect event in Menlo Park alongside Meta's new Quest 3 headset.

The new glasses, which Meta announced at its Connect launch event and are up for preorder now, will be on sale 17 October at $299.

They will have a similar personal audio system like Amazon's Echo Frames and the Bose Tempo series, playing music but ensuring only you can hear it. Meta upgraded the microphone system: the specs have five mics, including one in the nose bridge, which should make calls and voice commands clearer.

The smart glasses have small camera lenses on each right temple, just like the Stories -- but these cameras take 12-megapixel photos and 1080p videos, both significant upgrades from the previous generation. You can store roughly 500 pictures and 100 30-second videos before you fill-up the 32GB of internal storage, and everything syncs through the Meta View app.

The app lets you quickly share anything you capture to Meta's many sharing platforms.

Meta says that in addition to taking photos and videos on the camera, you can start a livestream on Facebook or Instagram with just a few taps on the glasses' stem. When you're recording, a white light around the lens pulses to indicate you're recording.