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The total amount of electrical energy a battery can store, expressed as a numeric value with an appropriate unit such as mAh or Ah. It indicates how long the device can operate between charges and allows users to compare power supplies across products.

The chemical composition or classification of a battery, such as lithium‑ion, lithium‑polymer, nickel‑metal hydride, sealed lead acid, alkaline, zinc‑air, etc. It indicates the type of electrochemical reaction that stores and delivers energy in the device.

Indicates whether the product includes a built‑in screen or display unit that can be used directly for viewing content, such as an integrated monitor on a laptop or a built-in display on appliances. A value of "Yes" means the device has such a display; a value of "No" means it does not.

Indicates whether the device supports placing an active call on hold while another call is received or during a conversation, allowing the user to pause and resume the original call.

Indicates whether the device can notify a user of an incoming call while another call is in progress, allowing the user to choose between continuing or switching calls.

Indicates whether the device can display the caller’s name or number when receiving a call. A value of Yes means the feature is available, while No means it is not supported.

Indicates whether a charger is supplied with the product. A value of "Yes" means a charger is included, while "No" indicates that no charger is provided and must be purchased separately.

Indicates whether the device can make or receive conference calls, allowing multiple participants to join a single call session.

The total count of distinct colours that a product’s display can reproduce. This value indicates the colour depth or gamut capability of the screen, helping users compare visual fidelity across devices.

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 visual content and is commonly used for monitors, TVs, smartphones, cameras, and digital images.

Indicates whether the product offers an energy‑saving or low‑power operating mode that reduces consumption during idle or normal use. The value is typically "Yes" if the feature is available and "No" otherwise.

The category of a telephone handset indicating whether it is wired or wireless. It helps buyers understand the connectivity method and compatibility with phone systems.

Indicates whether a user manual—physical or digital—is provided with the product. A value of "Yes" means that a manual is included, while a value of "No" indicates that no manual is supplied.

The method or location where a product is intended to be secured or installed, such as wall, desk, ceiling, floor, rack, or freestanding. It indicates the physical mounting configuration that determines how the item attaches to its environment and what hardware may be required.

The total count of battery units that a product can accommodate or use simultaneously. This value indicates how many separate batteries are required, optional, or compatible with the device, helping users understand power capacity and replacement options.

The electrical supply specifications needed by a device, expressed as voltage, current, frequency or a combination of these parameters. It indicates the range or exact values of mains or battery power that the product can accept or deliver, helping users verify compatibility with outlets, adapters or power supplies.

Indicates whether the device has a built‑in speakerphone function that allows hands‑free voice communication without using external headsets or microphones.

The total duration a device can remain powered on while not actively in use before it automatically powers off or enters low‑power mode. It is expressed in standard time units such as hours, minutes, or days and applies to batteries, chargers, and other electronic components that support standby operation.

The maximum continuous duration a device can handle voice communication before needing recharge or power interruption, expressed in standard time units such as minutes or hours.

The general category or style of the product, such as laptop, printer cartridge, or cooling fan. It helps buyers quickly identify the nature of the item and compare similar products.