Avaya Microphone 700501539<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Avaya - Microphone - for Avaya B149， B159， B179 Product Type: Microphone Product Type: Microphone</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31IYOXT77XL.jpg" noproxy>