Hands-Free Headset with RJ9 Plug for Avaya 1608 9630 9640 9650 9620，GrandStream GXP-2130 2140 2160 Yealink T20P T22P T26P T28P Phones<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Works for AVAYA 1608 1616 9620 9630... or CISCO 7902 7905 ...7912 or Grandsteam GXP 14xx ...GXV 3275 or YEALINK T19P...T48G SNOM 300...821 Panasonic KXT and MORE DESKPHONES LISTED IN DESCRIPTION.</li><li>ONLY COMPATIBLE WITH SOME SPECIFIC PHONE MODELS LISTED IN DESCRIPTION. Buy the item today if you have one of phone models in list. For other phones， pls contact us for Compatibility Guide or Advice.</li><li>High Sound Quality for Clear Communication: Wideband Sound telephone headset enables natural listening experience， features Noise Canceling Microphone to reduce background noise， Acoustic Shock Protection Circuit to protect your hearing.</li><li>Super Durable: Precision design， quality plastics， unibody headband construction， superior quality microphone makes this call center headset sturdier and more durable.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41itJu8dIoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41csd7EIBgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31VNzdZu-KL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41cvcmxd8EL.jpg" noproxy>