Lenovo 4Y50R20864. Form factor: Ambidextrous. Movement detection technology: Optical Device interface: RF Wireless Buttons type: Pressed buttons Buttons quantity: 3 Scroll type: Wheel

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 total count of physical or programmable buttons available on a device such as a mouse, keyboard, or controller. This value indicates how many distinct input actions the user can perform directly from the hardware.

The kind of physical or touch-based button mechanism used on a device, such as a mechanical pressed button or a capacitive touch button. It indicates how the user interacts with the control surface and helps buyers understand the tactile feel and durability of the product.

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.

Specifies the physical configuration or design of a product, such as ATX, Micro‑ATX, Mini‑ITX, tower, case with cover, etc. It describes how the device is built and what mounting or expansion options it supports.

The Harmonized System (HS) code is a standardized numerical identifier used internationally to classify traded goods. It consists of up to six digits, where each pair of digits represents progressively more specific product categories. The HS code facilitates customs duties, trade statistics, and regulatory compliance by providing a common language for describing products across borders.

The type of technology used to detect movement in a device or system, such as optical sensors, laser tracking, infrared LEDs, or capacitive touch. It indicates how motion is sensed—by visual changes, light scattering, or electronic signals—and helps users understand the underlying mechanism for motion detection.

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.

Indicates whether the product can be used immediately after installation without requiring additional configuration or drivers.

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.

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 type of input mechanism that allows a user to scroll or navigate within an application, such as a wheel, touch surface, buttons, ring, or trackball. It indicates how the device translates physical movement into scrolling actions on the screen.

The direction(s) in which a device can scroll or navigate within an application, such as vertical, horizontal, or both.

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.