Original latest German Air Force Sound Protection Helmet with DECT-System for JetCom ,this model offers the highest level of protection against potential noise exposure. it also provides a full range of communication capabilities even at extremely high decibel levels, the helmet also offers face and eye protection, it also allows for the integration of a protective mask,communication system is a digital tap-proof duplex -DECT JetCom system,consist of digital radio communication system „DECT“ for up to 8 mobile parties plus cockpit,digital noise reduction , for use in very noisy environments of more than 140 db(A),Helmets with built in bone-conduction microphone and speaker, This equipment is used in aircraft ground handling, take-off preparation and maintenance jet fighters (e.g. Eurofighter , Tornado and Helicopter),offer is only for the helmet and bag like in the pictures in size large, not for the digital radio , mask or other parts, including Helmet bag and instructions,currently available in sizes X-Large, Large and Medium, all helmets in very good condition with light use , some scratches from use on the visor , No additional accessories available, offer is only for the helmet with bag and manual, Goggles and Styrene Head are not include !!! Very nice helmet to complete your aviation collection,