Ray-Ban Rectangle RB1969 9150/B1 Gold/Dark Grey

Indicates whether the product can be graduated or adjusted, such as a size or angle that can be modified by the user.

Represents the visual tone or hue of a lens, including solid colors, gradients, mirrored finishes, or polarized coatings. It helps users identify and compare lenses based on their appearance.

The maximum number of paper sheets that a printer or copier can hold in its input tray(s) for automatic feeding. This value indicates how many pages the device can process before needing to be reloaded, helping users compare throughput and convenience across models.

The maximum speed at which a printer or label maker can produce output, expressed as a linear velocity (e.g., millimetres per second) or a page‑per‑minute rate. This value indicates how quickly the device can complete printing tasks and is useful for comparing throughput across models.

A unique identifier that distinguishes a product variant from its base model or other variants within the same product line. It is used to track different configurations, colors, sizes, special editions, or regional versions of a product.