Professional noise-reducing earplugs, sleep comfortably and sleep soundly. Shaped earplugs. The special-shaped earplugs can adapt to the different ear canals of each person to achieve a good fit, so that your feeling of use will not be affected. In order to have a better sound insulation effect, please clean the ear canal with a cotton swab or napkin first, then take out the shaped earplugs, divide the earplugs into two, squeeze the earplugs into strips, press the earplugs with your index finger, and insert them into the ear canal to fill it . The molding is complete and you can start to shield the noise. Not only is it suitable for different ear canals, but compared to sponge earplugs, the molded earplugs are smoother and will not feel swelling and pain after wearing for a period of time. After a long time, it is still very comfortable. In addition, the ears cannot be used for sleeping, and the sound insulation effect is good. Designed for comfort, a large number of 3D scans of geometric structures were carried out, and a small pea-sized earplug was made based on this data, which is flexible and comfortable, and fits the contour of the upper part of the ear. It is suitable for use in the library, sleeping and some noisy scenes.