product description:

Soft and smooth PU Material, anti-noise effect, and close contact with the ear canal, effectively reduce noise (NRR) 29db , No stimulation of the skin.

Bullet design, noise reduction effect is good;

Independent packaging, wear health, safety!

'Instructions for use'
1: As the effect of cleaning the product after use, so please keep your hands clean before use;
2: Remove an ear tip, with one hand's index finger and thumb to fine (The more detailed the better);
3: The other hand will be inserted into the ears up and out (This is critical )And hold, and then rub the ear into the ears of the rub;
4: Hand hold the ear plug until the ear in the ear fully inflated stereotypes (About to last about 20 seconds)

'note'
1: As the ear elasticity to restore the time quickly ,So the user to determine the ear plug was stuffed into the ears before being rubbing fine ,Otherwise can not get the best results
2: Remember that before the ears into the ear is pulled upwards, these two points if you can do it, then the ear can play its greatest effect
3: Insert, remove should be gentle, slow, rotating plug, remove, avoid Mengsan tug

I hope you can in this product with the help of aircraft, trains, cars, ships and other noisy environment to get a quiet side in schools, aircraft, ...It is ideal for students who are studying in the bedroom in the evening, if you are traveling, at home, in the bedroom, this is the best choice for you! It will give you a quiet and quiet place to use. Of the world, so you rest good, study well, sleep incense!
More is your watch F1Racing essential supplies Oh!

Friendly reminder: This ear is a rebound type, can not be cleaned, it is recommended that buyers buy more spare!