RJ11 Telephone Headset Noise Cancelling Microphone Earphone Headphone For Desk Phones

Features:

Stylish design, lightweight, durable and comfortable for all day use
Quick-disconnect function
Adjustable metal headband can be adjusted
Replaceable soft foam or soft leatherette ear pad optional
Noise-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 breaks
Speaker and headband connection rotate 360 degree

Specification:

Speaker Sensitivity	108dB±2dB/mw at 1KHz
Speaker Frequency Range	200-4K Hz
Microphone Frequency range	20-3000Hz
Microphone Impedance	150Ω±5Ω
Microphone Sensitivity	-58dB±3dB
Maximum Power	10mW
Material	Metal, ABS and POM

Package Included:

1 x RJ11 Telephone Headset (not include Telephone and Laptop)

Detail Pictures: