JK&reg; CCH-001 Noise Cancelling Hands-Free Call Center Headset Headphone For Cisco Unified IP Telephones - Quick Disconnect Cord Noise Canceling Microphone; Pristine Crystal Audio Quality Durable Tangle-free Coiled Quick Disconnect Cord With RJ9 Connector Easily Switch Headset To Either The Left Or The Right Ear Due To 300 Rotatable Microphone Boom Adjustable Low-profile Headband; Soft Leatherette Ear Cushion; Flexible Gooseneck Microphone Arm Compatible With Cisco IP Phones: 7940G 7941G 7960G 7961G 6921 6941 6961 7942G 7945G 7962G 7965G 7970G 7971G 7975G 8941G 8961G 8945G 9951G 9971G