Poly HW251N Supraplus Wideband Monaural Headset

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 general classification of a headset based on how it delivers audio to the user, such as binaural (two‑channel), monaural (single‑channel), or other configurations. This attribute helps buyers understand whether the device provides stereo sound, single‑speaker output, or specialized listening modes.

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 whether the product uses a wired or wireless connection for data transfer and communication. The value is typically "Wired" or "Wireless", allowing users to quickly determine if the device requires a physical cable or can operate without one.