Yealink WH66 Mono Wireless DECT Headset W/ UC Work Station

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.

Specifies the audio channel configuration (e.g., Mono, Stereo, 5.1) together with the language of the sound track (e.g., English, Spanish). The value is a free‑text string that may combine multiple attributes separated by slashes or commas.

A textual description of the way a product is worn or fitted on the body, such as "headband", "earhook", "neck‑band", "over‑the‑ear", or "in‑ear". This attribute helps users understand how the item will be positioned and secured during use.

The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.