TP-Link UB400 Bluetooth 4.0 Nano USB Adaptor

Indicates whether the product supports Bluetooth Low Energy, a wireless communication protocol that enables low‑power data exchange between devices.

The specific version of the Bluetooth standard supported by the product, indicating its capabilities for wireless communication and compatibility with other devices. Values may be numeric (e.g., 4.2, 5.0) or include additional descriptors such as "+HS" or feature lists.

A list of official 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 CE, FCC, RoHS, UL, or WEEE, and may include additional details like version numbers or specific test reports.

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.

The pixel dimensions of a display or image, expressed as width by height (e.g., 1920x1080). It indicates how many pixels are used to render the visual content and is commonly used for monitors, TVs, smartphones, cameras, and digital images.

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 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.

List of physical or logical interfaces that allow communication between a host device and other components, such as USB, PCI Express, SATA, M.2, Ethernet, Thunderbolt, or similar standards.

Indicates whether the product can be connected or removed while it is powered on without requiring a shutdown or reboot. A value of "Yes" means the device supports hot‑plugging, allowing components such as drives, peripherals or expansion cards to be added or removed safely during operation; "No" indicates that the device must be powered down before any hardware changes.

A list of the physical or logical interfaces that a product can use to connect with other devices or components, such as USB, PCI Express, SATA, M.2, Ethernet, Thunderbolt, and similar 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 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.

List of physical or logical interfaces that a product can use to send data, video, audio, or other signals to external devices, such as USB, HDMI, DisplayPort, VGA, Ethernet, Thunderbolt, and similar standards.

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

Represents the count of individual units or pieces included in a product offering. It indicates how many separate items are available for purchase or use, such as the number of components in a bundle, the quantity of devices in a set, or the amount of consumables supplied. The value is an integer without any unit of measure.

Indicates whether a quick‑installation guide is provided with the product. A value of "Yes" means that a brief, step‑by‑step manual or overview is included to help users set up the device quickly; "No" indicates that no such guide is supplied.

The number of times per second that a display updates its image, expressed in hertz (Hz). It indicates the smoothness and responsiveness of motion on the screen; higher rates generally provide a more fluid visual experience.

Indicates whether the device has an antenna that can be detached and replaced by the user. A value of "Yes" means the antenna is removable; a value of "No" means it is fixed or not present.

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 relative humidity (expressed as a percentage) within which the storage device is designed to operate reliably. Values are given as a minimum–maximum interval such as "10 - 90 %" and indicate the acceptable environmental moisture level for optimal performance.

A list of environmental, safety or quality certifications that a product has obtained from recognized authorities. Typical entries include RoHS, ENERGY STAR, CE, WEEE, TCO Certified, FCC, and other industry‑specific standards.

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.

The specific wireless networking standard supported by the device, such as 802.11a/b/g/n/ac/ax or Wi‑Fi 4/5/6. It indicates which radio protocols and frequency bands the product can use for wireless connectivity.

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.

Indicates whether the device supports Wi‑Fi Protected Setup (WPS), a feature that allows users to connect wireless devices to a network without entering passwords manually.