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How To Use PU Foam Earplugs Anti-Noise
Aug 03, 2018

How to use PU foam earplugs?


  1. Keep your hand clean before use,then take one ear plug and make iu slim in your fingers.


  2. Take your ear upwards and outwards (this is important),then insert the slim ear plug.


  3. The slim ear plug will be relaxed in your ear tunnel (last 30 seconds),when you feel the ear plug is full of your ear tunnel,then put dowm.



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