Manhattan 2.4GHz Wireless Numeric Keypad

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 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 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.

The total count of individual key switches or buttons present on a keyboard device, including alphanumeric keys, function keys, navigation keys, and any additional special keys such as media controls or macro keys.

List of Linux operating systems that the product can run or support, including specific versions and architectures when relevant. Each value represents a distinct Linux distribution or kernel version supported by the hardware or software.

Indicates whether a product is compatible with Apple Mac computers or macOS operating systems. The value can be "Yes" if the device supports Macs, or "No" if it does not.

A list of macOS operating system versions that the product supports or is compatible with, such as "macOS 10.15 Catalina", "macOS 11 Big Sur" or newer releases. Each entry represents a distinct OS version that can run on or be supported by the device.

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 material indicates the type of substance from which a product is made, such as metal, plastic, wood, glass, or composite materials. It helps users understand the product’s durability, weight, appearance, and suitability for specific applications.

The total count of battery cells that the product can accommodate or use. The value may be a simple integer (e.g., "4") or include the type of battery (e.g., "2x AAA"). It indicates how many individual batteries are required for operation, whether they are included in the package or need to be purchased separately.

The range of relative humidity (in percentage) within which the product is designed to operate reliably. Values are expressed as a minimum–maximum interval such as "20 - 80 %" and indicate the acceptable environmental moisture level for optimal performance.

The range of temperatures in which a product can safely operate without risk of damage or performance degradation. Values are expressed in degrees Celsius (°C) and may represent a single temperature, a minimum–maximum interval, or an average operating point.

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 main electrical supply that powers the device, such as mains electricity (AC), battery, USB power, PoE, or a combination of these options.

The primary purpose of a product, indicating its main intended use or target market segment (e.g., "Gaming", "Office", "Travel"). It helps customers quickly identify whether the item matches their needs and can be used for filtering or categorization across different product categories.

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.

Indicates whether the product is manufactured in accordance with the RoHS (Restriction of Hazardous Substances) directive, which limits the use of certain hazardous materials in electrical and electronic equipment.

The range of temperatures in which a device can safely operate without risk of damage or performance degradation. Values are expressed in degrees Celsius (°C) and may represent a single temperature, a minimum–maximum interval, or an average operating point.

Indicates whether the product includes an integrated USB hub. The value is "Yes" or "No", allowing users to quickly determine if additional USB ports are available.

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

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.