Which feature is NOT associated with smart glasses?

Smart glasses are typically designed to enhance the user's experience by providing various features that integrate digital information into the real world. One of the main characteristics of smart glasses is their augmented reality capabilities, which allow users to overlay digital information onto their physical environment, enhancing the way they interact with both digital and real objects. This capability is a hallmark of many smart glasses on the market.

Moreover, hands-free operation is another significant feature, as smart glasses are often equipped with voice control or gesture recognition, enabling users to interact without needing to use their hands. This makes them particularly useful in situations where manual operation is impractical or unsafe.

Real-time information gathering is also a pivotal aspect of smart glasses. They can collect data from the environment through built-in cameras or sensors, allowing users access to real-time information, such as navigation prompts or notifications.

In contrast, the ability to perform instant printing is not typically associated with smart glasses. Smart glasses do not inherently include any printing technology as part of their functionality. They focus instead on providing visual information directly through the lenses, rather than creating physical outputs like printed materials. This distinction clearly sets instant printing capability apart as a feature that smart glasses do not possess.