Sign in / up
For headphones: choose one with a Noise Reduction Rating (NRR) of
20-30 dB. Remember, the louder the sound; the shorter time duration
you'd want to be around it.
For headphones: choose one with a Noise Reduction Rating (NRR) of 20-30 dB. Remember, the louder the sound; the shorter time duration you'd want to be around it.
- 172 times
Headphones
Gifts
Related Lists
Reviews
Continue with Google