Walk up to someone wearing a pair of Halliday’s smart glasses, and you might not notice they’re looking at smartphone notifications, live language translations, or advice from an AI assistant.

The only giveaway is the tiny green dot of light on their eyeball.

Wearables startup Halliday launched a pair of smart glasses at CES 2025 that projects a 3.5-inch round display into your line of sight. The device creating the display is called the DigiWindow, and it’s a tiny round module — smaller than your pinky nail — that sits on the inside of the Halliday’s frames just above your right eye.

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