Blox Music Earplugs are auditory protections with a patented acoustic filter, guaranteeing a high fidelity (HiFi) resititution of music.<br /><br />They are especially designed for listening live music (concerts, festivals...). They canbe worn with a string, to keep them close if they fall. They guarantee a linear reduction of sound (-18 dB), while preserving sound ans music quality.<br /><br />They have 3 supple collars for a great comfort of use, and in all discretion thanks to the transparent tip.