With no internal battery, the glasses never need charging and stay lighter. The tradeoff is permanent USB-C tethering to a powered source device.
Pros: overall satisfaction, media playback
Cons: comfort, field of view
Best Smart Glasses for charging method
Drawing power from the connected device keeps the glasses light and avoids another battery to charge, but the required cable and adapters can complicate charging while using them.
Pros: image clarity, display brightness
Cons: comfort, volume level
The magnetic connector attaches securely, but the proprietary dongle is easy to lose and inconvenient for travel. Reviewers repeatedly wished for standard USB-C or a bundled case.
Pros: overall satisfaction, AI features
Cons: charging case, charging method
Charging depends on the proprietary case, which is inconvenient if the case is lost or unavailable.
Pros: overall satisfaction, video quality
Cons: AI features, fit