The Plantronics MS250-1 commercial aviation headset leverages a proven design to set new standards in comfort and reliability for pilots. The noise-canceling microphone enables clear, uninterrupted communications between pilot and air traffic control. The monaural over-the-head design offers a stable fit for extended wear. MS250-1 Features: Clear voice transmission between commercial pilots and air traffic control. Hear and be heard with superior audio quality and noise-canceling microphone. Over-the-head design delivers all-day wearing comfort. Monaural designs. Conveniently portable and easily stowed due to compact design. FAA approved. MS250-1 Details: Connectors: Single, Molded, PJ068 or equivalent