Feature: Please note: other accessories are not included. 100% new quality Color: pink, red, blue, green Specification: 1 pair Material: Sponge Function: sound insulation and noise reduction Features: 1. The earplugs use creative sponge formula and craftsmanship to have a stronger sound insulation effect, and the ears will not rise after long-term wear 2. The earplugs have a high-density micro vent design inside, so the ears are not stuffy and hot, and the noise reduction performance is effectively improved Instructions: 1. Rub the earplugs finely, and rub the earplugs back and forth into a uniform slender strip, the thinner the better (remember not to squeeze the earplugs, the squeeze cannot penetrate deep into the ear canal) 2. Lift the auricle and wear it at the same time, one hand goes around the back of the head and lifts the upper auricle to straighten the ear canal, while the other rotates to slowly insert the rubbed earplug into the ear canal 3. Block for 10~30 seconds, block the bottom of the earplug with your finger for 10~30 seconds, feel the earplug slowly rebound and fill the ear canal Remark: 1. Manual measurement tolerance is 2-5g. Please don't mind your replacement. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. thank you very much! 3. SKU color is product color Package Included: 1 Pair *sleeping capsule earplugs