RJ9 Cisco Headset: This corded RJ9 office phone headset with microphone works with Cisco 6921, 6941, 6945, 6961, 7821, 7841, 7861, 7931G, 7940, 7940G, 7941, 7941G, 7942G, 7945, 7945G, 7960, 7960G, 7961, 7961G, 7962G, 7965G, 7970, 7970G, 7971G, 7975G, 7985G, 8811, 8841, 8845, 8851, 8861, 8865 and 8900, 8941, 8945, 8961, 9951, 9971. | Phone Headset with Noise Cancelling Mic: Corded telephone headset with a noise canceling microphone offers excellent sound for conference calls, very crisp and clear for both ends. The noise canceling microphone blocks out unwanted background noise and pick up loud and clear voices. MKJ phone headset for Cisco phones are ideal for noisy call centers as it allows you to concentrate fully on the call, also the binaural type headset keeps the noisy distractions from your attention. | Call Center Office Headset: The lightweight and ergonomic design make this Cisco headset fit for all-day use. Soft ear cushions, adjustable headband and flexible microphone boom provide users with a comfortable wearing experience, and will not cause pain or fatigue for long wearing. Wired headphone with microphone save your neck and allow you to take notes during the calls, which makes your job much easier. | Durable Phone Headset for Cisco: Sturdy yet comfortable Cisco phone headset withstands the most demanding environments. The reinforced is built to withstand the demanding environment and is protected against office chair wheels, sharp objects on daily use, lightweight and stainless steel headband provides high strength to withstand the lasting use. | Call Center Office Headsets: Whether you’re working in a busy call center or simply need a reliable headset for your home office, MKJ corded phone headset will meet with your demands. MKJ telephone headset with microphone provides the ultimate in comfort and audio performance.