The Special Projects heavy-duty performance series headsets are designed for the active professional. They offer hands-free communication and voice application allowing complete freedom of movement. Applications include live performances, aerobics instruction, sports casting, entertainment and television reporting. Each microphone headband and gooseneck is sealed for protection against rain dust and perspiration. The gooseneck boom permits precise placement under the lips and stays in place during physical activity These headsets are built extremely rugged to withstand constant abuse. Can be wired for most OEM brand wireless transmitters. 1 year Special Projects warranty.