Optime II Noise Canceling Headphones

If you work in the most extreme conditions, where there are increased requirements for noise protection, then these headphones are for you. Optime II noise-canceling headphones protect against low-frequency noise. The insulating rollers contain a unique combination of foamed plastic and liquid. This reduces contact pressure and creates an excellent seal. Which increases comfort even when wearing it for a long time. Insulating rollers have ventilation ducts, they are covered with a film. The film is slightly rough, soft and hygienic. They perform their functions perfectly in the conditions of protection against industrial noise, at construction sites, airports, and in complex and dangerous agricultural operations. Also a unique offer - these headphones are in dielectric version! In this case, the metal parts are hidden. Protective qualities: acoustic efficiency (SNR) - 31 dB.