USB RJ9 Call Center Headset Telephone Office Phone Noise Cancelling Headphone
Feature: . Clear chat designed, headphone built-in flexible adjustable microphone, can arbitrary distortion to pick up clear sound, reduce unnecessary background noise, make the call clearer. USB-50D Specification: Condition: 00% Brand New Package List: x Headset x Manual USB-H002 Specification: Condition: 00% Brand New Package List: x Headset x Manual USB-2000D Specification: Condition: 00% Brand New Package List: x Headset x Manual USB-2000 Specification: Condition: 00% Brand New Package List: x Headset x Manual Crystal Head-H500 Specification: Condition: 00% Brand New Package List: x Headset x Manual Crystal Head-Single Earbuds Specification: Item Type: Headset Condition: 00% brand new Material: ABS Color: Black Frequency Range: 00-5600Hz Sensitivity: <0dB SNR: >58dB Ambient Temperature: -0-40℃ Relative Temperature: 0%-90% Package List: x Headset Crystal Head-Dual Earbuds Specification: Item Type: Headset Condition: 00% brand new Material: ABS Color: Black Frequency Range: 00-5600Hz Sensitivity: <0dB SNR: >58dB Ambient Temperature: -0-40℃ Relative Temperature: 0%-90% Package List: x Headset |