Ultra headsets are the most comfortable "full ear-cup" headsets on the market. The key to their superior wearability lies in their engineering and construction.Ultra earshells feature a unique septagonal design that covers the ear naturally. Deluxe ear cushions are not only wide and soft, but slightly thicker to the bottom and rear. These "ergoformed" shapes simply fit better! The Ultra Single is a communication headsets for wired and wireless intercoms.