MAIRDI Telephone Headset with Noise Cancelling MicrophoneHIS Cable for Avaya IP 1608 1616 9601 9608 9611 9611G 9620 9621 9630 9631 9640 9641 9650 9670 J139

Super Comfort Phone Headset with Noise Cancelling Microphone Specialized for Avaya phones. Some Avaya phones models are special which require microphone amplification on headset. This headset comes with circuit box on cable to make sure microphone voice is loud enough for the other end to be heard. Compatible with below models(including but not limited:11xx series: 1120e, 1140e, 1150e, 1165e 94xx, 95xx series: 9404, 9406, 9408, 9504, 9508 16xx or 96xx series:J139, J169, J179, 1608, 1616, 9608, 9610, 9611, 9611G, 9620, 9620C, 9620L, 9621, 9630, 9630G, 9640, 9640G, 9641, 9641G, 9650, 9650G, 9650C, 967014xx, 24xx, 46xx, 54xx, 56xx or 64xx series: 1408, 1416, 2410, 2420, 4606, 4610, 4610SW, 4612, 4620, 4620SW, 4621, 4621SW, 4622SW, 4624, 4625SW, 4630, 4630SW, 5410, 5420, 5610, 5620, 5621, 5625, 6416DM, 6424DM, QE4610.