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It doesn't block sound or make you feel isolated
supporting sharper reactions
Simply insert your preferred filter strength into Calmer for quieter calming sound
Featuring our Sonic Balance technology this earphone has been specifically tuned to reduce stressful frequencies so that sound is smoother
Calmer® Filters Earplugs It doesn't block sound orCalmer filters feature two sound reduction strengths and are compatible with Calmer and Calmer Kids (standard and mini size). Simply insert your preferred filter strength into Calmer for quieter calming sound. Calmer Filters are compatible with Calmer and Calmer Kids.
