3 Pairs of Earplugs (6) with 1 Case Ear Plugs Etiquette Products For Students Who Want To Concentrate and Relax by Blocking Out the Noise of Daily Lif

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3 pairs of earplugs (6) with 1 case Ear plugs Etiquette Products For students who want to concentrate and relax by blocking out the noise of daily life around them.

For students who want to concentrate and relax by blocking out the noise of daily life around them. <Soft type: Made of polyurethane, it fits gently in the ear. 1. rotate the ear buds with your fingers and press down to make them thinner. 2. insert the ear buds slowly while pulling the ear buds upward. 3. press down with your fingers for 30 seconds until the ear buds swell. 4. 0