Ergonomically designed earplugs made from extremely comfortable polyurethane foam to ensure the earplug fits perfectly into the ear canal every time. The earplug's conical design makes it very user-friendly and easy to insert into the ear canal. In addition to being an extremely comfortable material, polyurethane is also extremely hygienic to use, as it has a smooth, dirt-repellent surface. These earbuds have a very high SNR (signal-to-noise ratio) of 37 dB. High frequency: 36 dB Medium frequency: 34 dB Low frequency: 33 dB - CE certified - Approved according to standard: EN352-2 - Material: PU - Quantity: 200 pairs/fp, packed in pairs in bags

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