It comes complete with working headset and sun visor. Neck seal and all oxygen connectors. Helmet features positive pressure visor seal. (some countries in South America need more time).Please request revised invoice when you are finished shopping. I will send you a combined invoice. The item "China air force MIG Fighter Pilot Aviation Flight Helmet" is in sale since Monday, August 24, 2020. This item is in the category "Collectibles\Militaria\Militaria (Date Unknown)\Air Force". The seller is "tina-outdoor" and is located in shanxi . This item can be shipped worldwide.