Product: Ear Plugs for Sleeping Noise Cancelling, Premium High Fidelity Denoise Soft Silicone Dual Frequency Earplugs with Pop-up Storage Box for Concerts, Shooting, Swimming, Snoring, Working, Kids, Adults-C
Brand: Cakii
Color: Noise Cancelling Earplugs
Say good bye to cheap imitators that constantly fall out of your ears and give you horrific discomfort and pain. When wearing Cakii's premium ear plugs you can expect incredible results without the earaches & discomfort.Cakii's premium ear plugs with very high noise reduction rating of 32dB, protects your hearing and provides peace and quiet. 
Tips: For optimum results ear plugs must be inserted EXACTLY as directed!
WHAT IS NOISE REDUCTION RATING (NRR)?
A noise reduction rating indicates the level of sound that earplugs block out when used without simultaneous noise-blocking objects. This rating applies only to earplugs and earmuffs and provides users of these devices an important analytical tool when comparison shopping.
NRR Ratings
The highest NRR rating for earplugs is 33dB, and the highest available NRR rating for earmuffs is 31dB. These values reflect the level of noise protection available for each device when worn alone. Combining earplugs with earmuffs can offer a NRR protection level of 36dB. Manufacturers produce different types of earplugs and earmuffs to reach these ratings. Generally, higher-quality devices that cost more receive a higher NRR rating. 

Package Included:
A. 5 Pairs of foam earplugs & Pop-up storage box
B. 4 Pairs of airplane earplugs & Pop-up storage box
C. 3 Pairs of high / low dual frequency sound filters earplugs & Pop-up storage box

✔STRONG SOUND INSULATION: Stereo bionic ear canal can give you sound insulation, noise reduction. Soft silicone will not make the ears swelling while wearing it for a long time. And it can be washed repeatedly. Suitable for people who has trouble in sleeping, learning and environmental noise.
✔DUAL FREQUENCY SOUND FILTER: Dedicated high and low frequency sound filter, effectively reduce the impact of sound waves on the eardrum, double-layered umbrella structure design, long-term wear painless, free to choose according to the ambient noise, makes noise "seamless drillable".
✔THE PRINCIPLE OF AIRPLANE EARPLUGS: According to the design of the ear canal of human body, the round head silica gel is attached to the ear canal, and the umbrella-shaped tail is hidden. The micro breathable hole design of the head and tail, when the external pressure increases, the airflow automatically flows to the internal air chamber, balances the internal and external air pressure, and reduces the symptoms of tinnitus.
✔30S SLOW MEMORY REBOUND: Select foamed PU material, safe and healthy, slow memory rebound, ease the ear canal discomfort caused by rebound too fast. Dense air holes, layered to reduce noise, keep the ear canal breathable and comfortable, soft and comfortable, wearing no foreign body sensation.
✔REUSABLE & WASHABLE MATERIAL WITH PORTABLE CASE: Both silicone and foam materials can be washed, and can be reused after being fully dried, which is convenient for hygiene and has a long service life. Also, equipped with a dedicated pop-up storage box, press drawer design, transparent and easy to access, which is compact and easy to carry.

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