Logitech K400 Plus Wireless Touch Keyboard with Easy Media Control

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.

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.

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.

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.

Indicates whether the product is designed to be installed inside a computer system, such as an internal hard drive, SSD, or network card. A value of "Yes" means it can be mounted within the chassis; "No" indicates it is intended for external use.

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.

A list of the functions or statuses that an LED indicator on a device can display, such as power status, activity, link, and other operational signals.

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 with the product as part of its standard package. A value of "Yes" means that a mouse is included and ready for use, while "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 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.

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

Indicates whether the product contains a rechargeable battery or can be recharged via an external charger, allowing operation without disposable batteries.

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.

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 total count of individual key switches present on a keyboard or similar input device, including all standard, function, and special keys. This value indicates how many separate keys are available for typing, gaming, shortcuts, or other functions, regardless of layout or branding.

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.