RayNeo iO Smart Glasses · Battery
RayNeo lists “Up to 2 Days of Everyday Use / 240mAh Battery” on iO's own spec sheet. Engadget's hands-on corroborated the figure independently: “The company also says its battery will last for two days of usage, or around 18 hours of continuous recording.”
First reported Aug 21, 2026Updated Sep 4, 2026
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