الوصف

Anti-noise earplugs: This product is made of PVC foam with slow rebound characteristics, slow rebound earbuds by hand into a thin strip will slowly expand in 1 minute, gradually restored to the original shape. The earbuds into the outer ear canal into the external ear canal a few seconds later, earplugs can be in close contact with the external auditory canal, both anti-noise and no swelling ears, all comfort, sound effects, with it, and then noisy environment can give you a Quiet world, so that you can effectively improve the work and study efficiency, with it, you no longer have to sleep, self-study classrooms, travel boat travel, factories, construction sites, downtown areas such as noisy noise irritability. Gimhae anti noise earplugs - let you rest well, learn good, sleep well!
 
[Model] EC****2 cylindrical type
 
[Name] cylindrical PU earplugs
 
[Material] PU material earplugs
 
[Packing] 1 pair / PE bag, **0 pairs / inner box, ***0 pairs / box
 
[Use] to improve sleep, focus, protection of hearing and so on. Is your home, dormitory, self-study classrooms, travel boat plane travel, factories, construction sites, downtown areas from noise interference is a good helper, so you in the aircraft, trains, cars, ships and other noisy environment A quiet side, give you a quiet world, so you rest good, learning good, sleep fragrant!
 
[Efficacy] noise reduction (SNR) *9 dB, ear plug cylindrical design, smooth surface, the anti-fouling treatment, can be cleaned, wearing health, safety, soft and comfortable, sound insulation is good.
 
Sound insulation: *9 dB
Frequency (Hz) **5 **0 **0 ***0 ***0 ***0 ***0 ***0 ***0
Noise reduction True ear attenuation (dB) *5.0 *8.0 *7.2 *6.7 *5.8 *0.3 *0.7 *1.3 *2.5 *9 dB
Standard distribution (decibels) 4.7 4.4 3.7 3.4 2.6 3.2 4.1 4.3 4.7
 
[Wear and Disassemble]
1, wash the hands of the head of the head part of the twist fine (only for bullet and cylindrical earplugs)
2, the other hand around from the back of the head, the ears up, pull out the ear part of the ear plug into the ear (this step for all earplugs)
3, lightly brace until the earplugs are fully expanded and shaped
4, for the safe and safe off the earplugs, please side of the side of the rotation gently pull out earplugs