Plantronics HW540D EncorePro Digital Headset

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.

The type of earpiece configuration used in a headset or earphone, indicating how the device fits around or inside the ear. Common values include "Over-the-head", "Earbud (In Ear)", and "Ear-Pad (On the Ear)". This attribute helps users identify whether the product is a head‑mounted, in‑ear, or on‑ear style.

The general classification of a headset or earpiece, indicating whether it is binaural, monaural, stereo, or another configuration. This attribute helps users understand the audio channel arrangement and how many drivers are present in 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.

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 includes a microphone boom arm. A value of "Boom" means that the device has a detachable or integrated boom arm for positioning the microphone, while any other value indicates no boom arm is present.

Indicates whether a product includes an active noise cancellation feature that reduces ambient sound during operation. A value of "Yes" means the device can actively cancel background noise, while "No" indicates it does not have this capability.

Indicates the audio playback mode of a device, such as stereo or mono. This attribute helps users understand how sound is routed and whether multiple channels are available.