Noise-canceling microphone Crystal clear sound Simple call management Jabra spin boom arm HD audio Foam ear cushions Noise-canceling microphone Noise-canceling microphones reduce unwanted background noise and are ideal in crowded and noisy open working environments. Peak Stop The Peak Stop instantly removes any harmful loud sounds before they even reach your ears. This keeps the sound level in the safe range and protects your hearing. Crystal clear sound The Digital Signal Processing (DSP) reduces background noise and removes echo. It also protects the user against sudden high peaks in volume. Simple call management It is the intuitive control unit for greater call control. Jabra spin boom arm The 270 degree boom arm for easy adjustment without breaking. HD audio Enjoy high-definition sound with HD Voice and get crystal-clear communication. Foam ear cushions Keeps ears cool, built for all day comfort. Jabra BIZ 1500 Duo - Headset - on-ear - Quick Disconnect