Av-jefes VL623C-35M Headset Microphone for Sennheiser (Cocoa Color) Compatible with Sennheiser Transmitter. (Bodypack Transmitter Not Included) Polar Pattern: Omnidirectional Flexible and slim gooseneck boom for close talk and easy mic positioning, Lightweight and comfortable Bendable boom and adjustable wire frame for easy adjustability and perfect fit RoHs and REACH Complied. Without Pb, Hg, Cd, Cr6+, PBB, PBDE.