3M1270 Christmas tree with earplugs

Product Description 3M 1270 Christmas tree with earplugs earplugs silicone material belongs. Christmas tree contour design, NRR: 24dB; SNR: 25dB; 100 pay / box, 5 boxes / carton orange, with a line and storage boxes. Soundproof earplugs free soundproof earplugs divided into two kinds, a foamed material foam (no cleaning) cycle: two weeks or so. 2, silicone material silicone material (washable) cycle: about a year. Use stuffing: pull the ear angle, two-thirds of the ear canal of the ear. Hold: Hold down the ear for about 20 seconds, until the ear swelling and block the ear canal. Pull: When removed after use earplugs, the ear gently rotate out. Function and use noise reduction, concentrate, hearing protection and so on. Are you from noise at home, dormitories, classrooms, airplanes, ships, factories, construction sites, etc. is a good helper. It can also be used as a swim earplugs. ¤ effect: noise value (NRR) 24 decibels, Christmas tree-shaped profile design, the anti-pollution treatment, washable, equipped with health, safety, soft and comfortable, good sound insulation.