Uploaded July 2026 | Updated September 2026, 2 weeks ago

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Quick guide on how to fit a head strap to the ENGO 3 Photochromic smart glasses for a secure, no-slip fit during running and cycling.

The ENGO 3 ships with a lanyard, not a strap — so this uses a universal eyewear retainer that slips over each temple arm. Light glasses (~38g), so they don’t need much tension to stay put.

This is not a sponsored video, I bought it via my own money.

ENGO: engoeyewear.com

How to add head straps to Engo 3 for stability whilst using it.

#engo #engo3
#smartglasses #photochromic #RunningGear #cyclinggear #HUD #WearableTech #Running #GadgetReview