Experience clear communication with the Plantronics S12 Corded Telephone Headset System. Designed for both comfort and durability, this headset features an adjustable headband and soft ear pads, allowing for extended wear during long conversations. The noise-canceling boom microphone ensures that background distractions are kept to a minimum, while the volume control function allows you to adjust sound levels for optimum hearing. The S12 headset is equipped with a 7-foot cord for ample reach, and it connects via a 2.5mm jack or proprietary connection, making it compatible with a variety of phone systems. Built with quality in Mexico, the Plantronics S12 is a reliable choice for professionals seeking a single earpiece with a wealth of convenient features including a microphone mute button and a closed-back design for added privacy.