RJ11 Telephone Headset Noise Cancelling Microphone Earphone Headphone For Desk Phones
Features:
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 degree
Specification:
Speaker Sensitivity 108dB!#!amp!*!plusmn;2dB\/mw at 1KHz Speaker Frequency Range 200-4K Hz Microphone Frequency range 20-3000Hz Microphone Impedance 150!#!amp!*!Omega;!#!amp!*!plusmn;5!#!amp!*!Omega; Microphone Sensitivity -58dB!#!amp!*!plusmn;3dB Maximum Power 10mW Material Metal， ABS and POM
Package Included:
1 x RJ11 Telephone Headset (not include Telephone and Laptop)
Detail Pictures: