NOISE REDUCTION - The earplugs are high-definition, noise-reducing earplugs that filter out more or less noise on demand, thanks to a silicone filter (Loop Mute). They have a noise reduction rating (SNR) of 18 to 23 decibels and are available in 4 stylish colors. STYLISH COMFORT - These high definition earplugs come in 4 different sizes, so you can always find the perfect fit. The iconic round shape fits perfectly in your ears, making it a fashionable accessory that protects your hearing. In addition, the additional Mute filter (-5 dB) is available in 2 colors, black and white, to further customize your earplugs. MULTI-PURPOSE - The ;are high definition earplugs that preserve sound quality but avoid noise pollution. They protect your hearing during concerts, festivals or when making music. They are popular with audiophiles and are ideal for people who are easily disturbed by noise (noise sensitivity, musicians, parents, etc.). EASY TO USE - These earplugs are easy to insert and when you put them on. wear properly, they don't stick out of your ears. They exist in 4 sizes (XS - L), if your ears hurt, it is better to take a smaller size. If the earplugs do not reduce the sound enough or fall off, it is better to try a larger size. IN THE BOX - Our eco-friendly packaging contains one set of earplugs, four sizes of ear tips in soft silicone (XS-L, and a handy case. Not only do our earplugs have a sleek metallic look, but they are also durable and hard-wearing.