The 2.5mm plug is used for following IP Phones:
Attention! ! ! ! !
RJ9 plug
2.5mm plug
Dual 3.5mm PC plug
Headset information:
1. Stylish goose neck design， providing clear communications
2. Acoustic Shock Protection circuit
3. Lightweight， durable and comfortable for all day use
4. Hearing on one side and can be worn on either ear
5. Adjustable headband
6. Replaceable soft foam or soft leatherette ear pad
7. Professional in-line Volume and Mute Control Optional
8. Quick Disconnect cord(optional) for the convenience of walking away without removing the headset(optional)
Technical Parameter:
Item specifics:
Volume adjuster
Rotate to the left (VOL+) to increase the volume of the receiver and rotate to the right (VOL-) to decrease the volume.
Microphone’s mute switch:
If the switch is flipped to the right (MIC ON)， the conversation can take place normally. If the switch is flipped to the left (MIC OFF)， the user’s voice cannot be heard by the caller. This switch can be used for the conference calls that need the microphones to be switched off for a long time
Quick-disconnect feature provides an easy way to step away from the phone without disconnecting the call or even removing your headset. A 10-foot cord gives you a generous range while you\'re connected.
A variety of performance headset can be selected (noise reduction ，loud sound ，imported headset leather，imported headset sponge and etc.
Volume adjustment can make the control of sound easily; comes with a mute button， facilitates internal discussion， and without affecting the other party.
Standard 2.5mm plug is used to the telephone that has the socket.
The 2.5 plug QD line can be replaced. 3.5mm plug and RJ11 connector is available in our store.So you can employ the product with different devices by choosing different plugs.
Below cables link are for your choosing，Thanks.
Pls click below picture，
Pls click below pictrure，
Provide 15 days return， 1 month replacement and 2 years maintenance warranties.
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