RJ11 Telephone Headset Noise Cancelling Microphone Earphone Headphone For Desk Phones

RJ11 Telephone Headset Noise Cancelling Microphone Earphone Headphone For Desk PhonesFeatures Stylish design lightweight durable and comfortable for all day useQuick disconnect functionAdjustable metal headband can be adjustedReplaceable soft foam or soft leatherette ear pad optionalNoise cancelling microphone filters out background noise so voice transmission is exceptionally clear Bendable mic arm 330 degrees rotatable to be positioned for optimal comfort and voice transmission Swing sway feature lets you move the mic out of the way for beverage breaksSpeaker and headband connection rotate 360 degreeSpecification Speaker Sensitivity108dB2dB mw at 1KHzSpeaker Frequency Range200 4K HzMicrophone Frequency range20 3000HzMicrophone Impedance1505Microphone Sensitivity 58dB3dBMaximum Power10mWMaterialMetal ABS and POMPackage Included 1 x RJ11 Telephone Headset not include Telephone and Laptop Detail Pictures