Adjustable stainless steel headband features plush side pad and pillow soft contoured head pad. Full flex boom. M65S microphone. Powerful Neodymium speakers. Rugged cables with durable polyurethane insulation. Spiral shielding reduces RF interference. Acoustic foam mic muff protects mic from moisture and debris. Hand-held or mobile radios can also be connected with the optional Adaptors listed on the AVCOMM website.