Catalog number: HQ2000 Features: ●Earplugs that allow you to talk while cutting out noise. ●In the conversation range up to 2000Hz, they reduce sound by about 14.5dB, but above 2000Hz they reduce sound by up to 33.4dB, allowing you to talk while cutting out noise. ●Equipped with an air pressure adjustment function, they can be used as air pressure adjusting earplugs on airplanes. ●Earplugs with air pressure adjustment function with NRR value of 10 to 33.4dB. Specifications: ●Cord: None ●Size: M (9.5φ) ●NRR value (dB): 10 to 33.4 Material/Finish: ●Earplug body: Silicone Set contents/Accessories: ●Case
