Phonak Serenity Choice – Sleep
The insertion and removal process of Serenity Choice earplugs is super easy. Simply insert the filter first, and then grip the ear tip using the tongue to insert and remove safely. Large: 7-12mm. Small: 5-10mm.
The insertion and removal process of Serenity Choice earplugs is super easy. Simply insert the filter first, and then grip the ear tip using the tongue to insert and remove safely. Large: 7-12mm. Small: 5-10mm.