Lenses that darken in about 10 seconds

Snap Specs use electrochromic lenses that adjust electrically, clearing indoors and darkening outdoors in about 10 seconds. Unlike photochromic lenses, electrochromic lenses work through car windshields and other UV-blocking glass.

Snap's Specs lenses tint themselves. No clip-ons, no swapping frames. They shift from clear to dark in about 10 seconds, which matters most when you step outside and need the display readable against bright light. Unlike photochromic lenses, these also work through a car windshield.