RJ9 Headset connecting Cord with volume controller and mute key.

Volume controller: Speaker volume up and down.

Microphone mute key: On and off

Connect headset to various  IP Phone, telephone or call box.

RJ9 module can be changed to match different kinds of IP Phones.

With P-QD or G-QD, which can be widely compatible with most call center headsets.

QD (Quick Disconnect) cord perfectly suited for people who use headset regularly. You can hold on calls and move away from desk easily without removing the headset off your head.