It comes complete with working headset and sun visor. Neck seal and all oxygen connectors.Helmet features positive pressure visor seal. It is a completed set, and very rare. You will surely regret if miss it. The item "Air force mig fighter aviator pilot flight helmet" is in sale since Friday, September 18, 2020. This item is in the category "Collectibles\Militaria\Militaria (Date Unknown)\Air Force". The seller is "felicia567" and is located in China,shanghai. This item can be shipped worldwide.