Logitech K400 Plus Keyboard – Wireless Connectivity – USB Interface – TouchPad – Danish, Norwegian, Swedish, Finnish – QWERTY Layout – Black

Indicates whether the product comes with batteries included in the package. A value of "Yes" means that batteries are supplied, while a value of "No" indicates that no batteries are provided and must be purchased separately.

The chemical composition or classification of a battery, such as alkaline, lithium‑ion, NiMH, or lead‑acid. It indicates the energy storage technology used in the product and helps users identify compatibility with devices that require specific battery chemistries.

The network and data interface technologies supported by the product, such as Wired, Wireless, USB, Bluetooth, or combinations thereof. Each value represents a distinct technology that can be used for communication or power delivery.

The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.

List of physical or logical interfaces that a device can use to connect with other components, such as USB, PCI Express, SATA, Ethernet, Thunderbolt, DisplayPort, and similar technologies. Each value represents an interface standard supported by the device.

A list of device categories that the product is compatible with, such as Desktop Computer, Notebook, Network Camera, or Router. Each value represents a distinct type of hardware or system that can be supported by the product.

The operating frequency range of a device expressed in hertz (Hz). It indicates the specific radio frequencies that the product can transmit or receive, whether as a single value (e.g., 2.4 GHz) or a range (e.g., 2.4–5 GHz). This attribute helps users understand the wireless capabilities and compatibility of the device with network standards.

The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.

Indicates whether a keyboard or input device includes programmable hot keys that can be customized for shortcuts, media control, gaming macros, or other functions.

Represents the physical layout or size classification of a keyboard, such as full‑size, mini, tenkeyless (TKL), or other common form factors used in computer input devices.

The total number of individual key presses a keyboard can endure before its keys begin to fail or lose responsiveness. This figure is expressed as a plain count and applies to any type of mechanical, membrane, or scissor‑switch keyboard used in computers, laptops, gaming rigs, or other input devices.

The natural language that the keyboard layout is designed for, indicating which regional or linguistic variant of key labels and input methods are available on the device.

The arrangement of keys on a keyboard, indicating the language or region it supports (e.g., QWERTY, UK QWERTZ, AZERTY). This attribute helps users identify which typing layout is available for the device.

A concise description of the physical shape or layout style of a keyboard, such as "Straight", "Curved" or "Numeric". It indicates whether the keys are arranged in a flat, angled, or numeric‑only configuration and helps users identify the typing experience and ergonomics of the device.

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

The geographic or linguistic setting associated with the product, such as a country name, region, or language. It indicates where the product is intended to be used or which language version of its interface or documentation is provided.

A list of mobile operating systems that the product supports, including specific versions and architectures when relevant. Each value represents a distinct OS that is compatible with the device.

Indicates whether a mouse is supplied as part of the product’s standard package or bundle. A value of "Yes" means a mouse is included and ready for use; a value of "No" means no mouse is provided and must be purchased separately.

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 total count of individual items that are part of the product package or bundle. It indicates how many separate units, components, or accessories are supplied together in a single purchase, regardless of type or function. The value is expressed as an integer without any unit of measure.

Indicates whether the product includes a numeric keypad area on its keyboard, typically found in full-size or laptop keyboards with an integrated numeric section.

The type of pointing device integrated into or used with the product, such as a touchpad, clickpad, trackpoint, or mouse. The value is a free‑text label that identifies the specific form factor or mechanism the user interacts with to move the cursor or select items.

The type of electrical supply that powers the device, such as mains electricity, batteries, USB power, or a combination of these options.

The main visual tone or finish that characterizes the exterior of a product. It can be a single solid hue, a combination of hues, or a special coating such as metallic or matte. This attribute helps users identify and compare items based on their appearance.

The purpose indicates the primary function or intended use of a product, such as "Notebook", "Gaming", or "Server". It helps customers quickly identify whether the item matches their needs and can be used for filtering or categorization across different product categories.

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

The type of wireless receiver that accompanies a keyboard or mouse, such as Nano, Micro, Unifying, Standard, or other specialized receivers. It indicates the form factor and compatibility with the device’s wireless protocol.

A brief statement of the intended or most suitable use cases for a product, such as the type of environment (indoor, outdoor), activity (gaming, office work, music listening) or general application category. It helps customers quickly determine whether the item fits their needs.

The total duration a battery can operate before it needs replacement, expressed in months. It indicates how long the battery will last under typical usage conditions and helps users compare longevity across products.

Represents the visual appearance or pattern applied to a product’s surface, such as a single color (monotone), an image, or a repeating design. It indicates how the exterior of the item is finished and can be used to differentiate models or styles.

The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.

A list of Microsoft Windows operating system versions that the product is compatible with, including any relevant architecture or edition information.

The maximum distance over which a device can maintain a reliable wireless connection to another device or network. It is expressed in linear units such as meters or feet and indicates the effective coverage area for Wi‑Fi, Bluetooth, RF, or other radio technologies.

List of physical or logical interfaces that a wireless receiver can use to connect with its host device, such as USB Type‑A, USB Type‑C, or audio jacks. The values are free‑text labels describing the connector type and any relevant version information.

Indicates whether the product includes a wrist rest or support feature that provides ergonomic cushioning for the user's wrists during use.