Noise Reductino ? 100 mute About noise reduction: noise reduction earplugs are passive noise reduction, the same as we cover our ears with our hands, but now we use earplugs instead of hands. 1.Silicone Sleep Ear Plugs Noise Reducing Earplugs: ?Keep a Comfortable Sleep?Ear plugs for sleeping peacefully through the night, sound blocking out while you sleep, such as noise from a nearby freeway or a snoring partner, no more noisy interruptions, great suit for men, women, and kids. It is great for light snore partner. 2.Sleeping earplugs reduce decibels and protect your ears. They are suitable for sleep, construction, concerts, shooting, racing, motorcycles, roaring machines, swimming, outdoor camping, etc. Instructions: 1 . Please check the letters "L" and "R" to distinguish between the left and right earplugs. 2 . After inserting the ear, please do not force it into the ear vigorously. Slowly rotate the angle to match the shape of your ear canal to achieve the best comfort and noise reduction. Notice: 1 .To prolong the life of earplugs, we advice to wash them with warm water and air dry. 2 .Please be careful not to put it with greasy and dusty substances, and use the earplugs with clean hands. 3 .This product is not the smart device and does not have Bluetooth connectivity.?High-quality Materials?: The ear plugs use nano-silicone anti-bacteria material, environmentally friendly and non-toxic, soft and comfortable. ?TIPS?: Sleeping earplugs only block noise, reduce decibels, instead of eliminating all sounds to 0 dB. ?Wide Range of Uses?: Soundproof and noise-canceling earplugs, can protect your hearing from noise, perfect for sleeping, snoring, swimming, studying, shooting, airplane travel, noisy activities, concerts, motorcycles, etc. ?Stay Focused?Ear plugs a great choice for studying, working, Concerts and general hearing protection in noisy environments. ?Excellent Design?: Rhino horn design ergonomic, three-point support, comfortable to wear, easy to put in and take out, no more falling out all night, you can comfortably switch any side while sleeping without worrying that it will fall off accidentally. ?Reusable Earplugs?: The life of the earplugs is about 1 to 2 years, please use water or hand soap to clean placed in the ventilation to dry, dry can be used again, with good elasticity and memory function, flexible and not easy to deformation. ?Professional Anti-noise Ear Plugs?: Using a three-layer oval structure design, attenuating the impact of sound waves on the eardrum, noise reduction effect is greatly enhanced, can better fit the size of different people's ear canal, effective noise reduction. (two layers for small ear canals, three layers for large ear canals, you can choose which one you want to wear according to your comfort when wearing ear plugs).