The product is a rare WW11 Royal Navy 1950's VITAVOX microphone, made of brass/copper with a diameter of 84 mm. This field gear was issued during the era of World War II in Great Britain, specifically used by the Navy. It is a valuable collectable item that holds historical significance in the theme of militaria, representing the service of the Royal Navy during the conflict. Made in the United Kingdom, this microphone is a unique piece of World War II memorabilia.