VXI UC ProSet 21V Headset: * Wideband audio for clearer conversations * Superior noise-canceling eliminates nearly 90 percent of background noise * Fits right into your Unified Communications strategy * Braided cord won"t kink or tangle * Flexible, snap-lock microphone boom stays where you put it * Lightweight, attractive design is easy and comfortable to wear * High-quality durability * Interchangeable with other headset brands * Binaural (2 speakers)