3M 1427 earmuff (nnr27db)

The headband is made of non-metallic materials, which is light and durable, with better anti-seismic effect. It is filled with sponge in the middle and wrapped tightly with imitation leather on the outside, which makes it more comfortable to wear.
the length of the headband can be adjusted according to needs, and the humanized design is suitable for all people. It is made of anti impact non-metallic materials, which is suitable for a variety of complex environments.
high efficiency sound-absorbing cotton has dense gaps, The sound will be weakened layer by layer through the gap to achieve the effect of reducing noise;
the freely movable interface makes the earmuff of the cup have the characteristics of rotation, which can adjust the appropriate distance according to the face shape, so as to make it more comfortable to wear;
the earmuff is packaged after the production test on the line, which is clean and sanitary, and can be used immediately, and the packaging is simple and easy to carry.
How to wear it: Headwear