The Arama A800S2 Telephone Headset RJ9 is a sleek black single earpiece unit with noise canceling microphone capabilities. Designed for use with Shoretel 230, 420, and 480 systems, this headset features a boom microphone for clear communication. It also includes volume control and a microphone mute function for added convenience. With its up to 3 business day handling time, this headset is a reliable and high-quality option for those in need of a noise-cancelling telephone headset.