NoNoise ear protection travel
These are auditory filters which do not cut us conversations but protect from external aggressions such as part travel by train or plane.
NoNoise ear protection to mitigate the effects of a trip on the ears. Noise in aircraft may be irritating and difficult sleep. Many passengers use of simple ear plugs but then suffer sudden changes in pressure at the level of the eardrum and therefore appreciate the regulating effect of pressure of our ear protection. With Nonoise, one can clearly follow a conversation, without background noise.
Tips to use:
As soon as hearing protection is necessary
Precision filter patented ceramic silicone free
Lot of 2 auditory filters and its storage box