Designed for telephone-intensive users, including formal customer care centers, customer service organizations, and more, the EncorePro 720 Stereo Headset from Poly offers audio clarity, comfort, reliability, and durability. Built for intense usage and uptime, this headset features a flexible boom microphone and a Quick Disconnect (QD) interface for connecting to compatible devices with Poly audio processors or cables. The stereo design boasts leatherette-encased, on-ear speakers featuring hearing protection to guard against sounds above 118 dBA. Grey.