Oppetec Dual Ear RJ9 IP Phone Headset Noise Cancelling Microphone for Cisco Phon

Compatibility Guide: This RJ9 IP Phone Headset ONLY Compatible with Cisco IP Phones such as 6921, 6941, 6961, 7931G, 7940, 7941G, 7942G, 7945G, 7960, 7961, 7961G, 7962G, 7965G, 7970, 7971, 7971G, 7975, 7975G, 8941G, 8961G ,8945G, 9951G, 9971G, CP-7821.etc.

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