RockJam RJ654 54-Key Electronic Keyboard

A list of items that are included in the product’s packaging, such as cables, adapters, manuals, or accessories. Each item is listed as a separate text entry and can be used by customers to verify what they will receive upon purchase.

The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.

The pixel dimensions of a display or image, expressed as width by height (e.g., 1920x1080). It indicates how many pixels are used to render the visual content and is commonly used for monitors, TVs, smartphones, cameras, and digital images.

The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.