Very Lightweight Headset (VLHS) unit designed for use on the Space Shuttle and International Space Station, identified by a label on the headset, "P/N 528-21479-12," and on the cable, "P/N 528-21479-2, VLHS-SMS S/N 1129." In fine condition.
Provenance: The Spaceflight America Museum and Science Center in Prince Frederick, MD.