Vix Tools 8809931 is a passive hearing protection earmuff for industrial and workshop use. The headset-style muffs deliver an SNR insulation value of 26 dB in a universal size at 184 g. Non-adjustable and non-folding, with a plastic headband and blue cups, they are supplied without radio, Bluetooth, or active noise cancelling functions. Typical applications include construction sites, workshops, and general maintenance tasks requiring noise attenuation.