Direct attach over the pinnacle RJ9 headset headphone.
No further amplifiers or adapters required.
Awesome high quality sound with the versatile adjustable noise cancellation microphone.
So much simple setup headset answer, Additional ear and mic cushions. Please see appropriate type record underneath
Blouse clips incorporated. NO Mute / Extent Keep watch over inbuilt. NOT for Cisco logo IP telephones, please see appropriate record underneath
