Question&Answer
Q:How can it do hearing protection?
The noise reduction rating of this ear protection is 35dB, for example, normally noise of hair dryer is 85dB(make hearing damage), with our noise cancelling ear muffs, the level of noise enter to your ear is approximately equal to 50dB(safer for hearing).
Q: Why the ear muffs are too tight?
To ensure a better noise reduction experience, the protection ear muffs may be a little tight at the first use, please put them on the head for 1-2 days if you feel tight, and please make sure ears are full coverage.