Logitech MK540 Keyboard & Mouse – Danish, Norwegian, Swedish, Finnish

The physical size designation of a battery that indicates its standard dimensions and form factor, such as AAA, AA, C, D, or coin‑cell types. This attribute helps determine which batteries are compatible with a 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.

A list of official environmental certifications or compliance marks that the product has received from regulatory bodies, safety organizations, or industry standards groups. Each entry represents a distinct certification such as RoHS, WEEE, ENERGY STAR, TCO Certified, or similar eco‑friendly labels.

Indicates whether the product is designed, manufactured, or marketed with environmental considerations such as reduced energy consumption, recyclable materials, or compliance with eco‑friendly standards. A value of "Yes" means the product meets at least one recognized environmentally friendly criterion; "No" indicates it does not.

The radio‑frequency or wireless communication protocol used by a keyboard, such as RF, Bluetooth, or other supported technologies. This attribute indicates the primary wireless capability that allows the keyboard to connect to a host system without a wired interface.

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.

Indicates the type of technology used to detect movement in a device or system. Common values include "Optical", "Darkfield", and "Opeto-electronical". The value describes how motion is sensed, whether by visual changes, light scattering, or electronic signals.

A list of operating system names and versions that the product is compatible with, such as Windows, macOS, Linux distributions, or other OS platforms. Each value represents a distinct OS that can run on or be supported by the device.

The type of network or data interface that a pointing device (e.g., mouse, trackball) uses to communicate with its host system. Typical values include "Wireless", "Cable", or specific protocols such as Bluetooth or USB.

List of physical or logical interfaces that allow a pointing device to communicate with its host system, such as USB, Bluetooth, or other standards. Each value represents a distinct interface type that the device supports.

The mechanism used to move the cursor or content on a device, such as a scroll wheel, tilt wheel, jog dial, or touch‑based scrolling. It indicates how the user can navigate vertically or horizontally within applications or web pages.

The length of time for which the manufacturer guarantees that the product will be free from defects in materials and workmanship, typically expressed in years or months.