poly Black Solid VOYAGER 8200UC Wireless Headset With ANC

Black solid VOYAGER 8200 Bluetooth headset has four mic, multi-device connectivity and active noise canceling (ANC)Features:Dual-paired omni-directional microphones with enhanced digital signal processing(DSP) optimize your voice while minimizing background noiseBest-in-class dual-mode ANC lets you choose your preferred noise-reduction levelDynamic mute alert detects and notifies you when you talk while on muteSmart sensors allow you to answer calls by simply putting on the headset and automatically mute your calls or pause your music by taking it off3.5 mm cord extends your listening time and is optimal for in-flight useBluetooth adapter with mute indicatorWarranty : 2 YearsWarranty provided by the brand/manufacturer