Meta has announced a new generation of its Ray-Ban smart glasses, featuring significantly improved battery life and the ability to record 3K video, which brings them up to par with the Oakley HSTN smart glasses. The new glasses, technically called the Ray-Ban Meta Gen 2, are available to order today and start at $379.

Let’s dig in on battery, which is better on a few fronts. You can use the new Ray-Bans for up to eight hours on a single charge, which is twice the four-hour battery life of the previous generation. The charging case can charge the glasses to 50 percent in 20 minutes — a slight improvement over the 22 minutes to 50 percent for the first generation. The case for the Gen 2 glasses offers an additional 48 hours of battery life, up from 32 hours.

As for the camera, you’ll be ab

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