3M earplugs 1110 bullet type earplugs with wire

Brand 3M
Model 1110 bullet-shaped earplugs with wire
Material Polyurethane material
Use
Improve sleep, focus, and protect hearing. It is your home, bedroom, self-study classroom, travel by car, ship, airplane, factory, construction site , A good helper to avoid noise interference in downtown areas and other places. It is your good partner for a healthy new life, and it is also a must for you to watch F1 games.
After being inserted into the ear canal, the earplug is in close contact with the external ear canal to isolate sound from entering the middle ear and inner ear (ear drum) to achieve the purpose of sound insulation, so that people can get a quiet rest or working environment.
Product description
Noise reduction value (NRR) 29 decibels, (SNR) 31 decibels, bullet-shaped contour design, smooth surface, anti-fouling treatment, hygiene, safety, softness and comfort, good sound insulation.
1110 package: 100 pairs/box, 5 boxes/carton=500 pairs
1110 are earplugs with wire.
3M article number: H0001876806