Permanently polarized condenser headmic with cardioid pick-up pattern compatible with all Sennheiser bodypack (3.5 mm jack) transmitters in the color silver. Includes (1) Headmic 4 (KE 4 cardioid mic capsule), (1) 3.5 mm jack plug, (1) MZW 44 windshield, (1) soft case, quick guide and safety instructions.