TriPro Binaural 4 Pin RJ9 Telephone Headset for Landline Phones
<strong>Description:</strong><br /> <p> Only compatible with RJ9 Port call center corded telephone devices. This headset model offers a substantial increase in comfort and productivity over a handset. The most cost-effective headset solution. </p> <p> <br /> </p> <strong>Specification:</strong><br /> 150ohms speaker, to ensure the perfect voice quality<br /> Microphone type: electret condenser microphone(ECM)<br /> Microphone sensitivity: 40db±3db<br /> Microphone voltage: 2.0v<br /> Receiver impedance: 150±10 ohm <p> <br /> </p> <strong>Package Included: </strong><br /> 1 x 4-Pin RJ9 Crystal Binaural Headset<br /> 1 x Headset Adapter <p> <br /> </p> <p> <strong>How to use:</strong> </p> 1, Plug the adapter (the headset comes with it) into the phone RJ9 port, then plug the headset into the adapter.<br /> 2, There is a line sequence switch on the adapter(it has the numbers 1 - 8).<br /> 3, Make sure to try each of the 8 "Channels" until you find the one where you can hear them and they can hear you. <p> <br /> </p> <p> <strong>Note: </strong> </p> 1, Only compatible with the most headset-ready landline telephones or devices that support 4 pin rj9 plug headset.<br /> 2, this headset just can be compatible with professional call center phone, may not be compatible with the cordless phone, please make sure the port before ordering.<br /> 3, use the headset with adapter, can be compatible more different call center phones. the adapter has 8 modes, try to test every mode on your device.<br /> 4, this headset just can be compatible with cord phone, not for the cordless phone.<br />