·Product introduction of Honeywell SmartFit earplug smf-30



·1. SmartFit earplug;



·2. Smooth hypoallergenic surface, hard center, easy to insert earplug;




·3. Patented comfort material technology, using the wearer's temperature to gradually change the shape of the earplug until it fits the ear canal;



·4. Comfortable to wear, it is truly personalized earplug;



·5. It can be cleaned and used repeatedly;




·6. Unique detachable nylon earplug cord;