UC Voice 550 corded headsets are designed specifically for softphone (like Skype) and Unified Communications platforms. The headsets are made for desk-centric professionals who occasionally work from different locations and need to take the headset with them. They feature superior sound clarity for softphone calls conference calls live presentations and other multimedia applications. A noise-canceling microphone ensures that the recipient cannot hear background noise from speakers surrounding making them ideal for noisy environments. Crystal clear wideband sound. Soft leatherette padding on the headband. Comfortable leatherette ear cushions. Superior noise-canceling microphone. Adjustable speaker chambers for optimal coupling to the ear. Flexible boom arm tip for easy microphone adjustment. Intuitive inline call-control functions for fast user adoption. Plug-and-play USB connectivity and compatibility.