At present, there are a lot of teenagers found that required treatment due to noise in the ears have to be brought to the hearing because of the crisis in the current teenage lifestyles that are related to the use of the system to hear that is not valid, for example, to talk to the phone for a long time, listening to loud music and entertainment that all of these are risk factors that cause hearing before the age. Sound pollution is one thing that seems to avoid raising and closer to everyone. Working in daily use, but you need to find a lot of voices. Both pose dangers and harm. Per ear;Global Smartphone has a role in life more. Whether it is in childhood. Adult or teenage work, but one thing that seems to be a parallel, and of which it is with headphones. In the current era to listen to music, view is easy and convenient, but they know how to listen to music, it is one of the healthy person's ears hurt. To listen to music on the volume that are not reasonably mae. For a consecutive time will result in long-term ear with headphones, because the audience is the origin of the sound, which are located near the ear, and there are many people who like to listen to loud sound levels."The World Health Organization has determined that the noise level exceeds 85 DB are considered dangerous to humans, and even listen to the sound level less than 85 DB, but we should listen to at the right time. Do not listen to that for too long. "The works are the works of the headphones are sending waves of electricity through a conductor of electricity. The electricity sent to the sound. Safe sound waves are detectable through the headset power. The bank has the same power capacity tester, but the sound is safe to measure electrical power that is sent to the headphones, meaning it is less safe, and the sound will be output to the application "safe ear" the application will calculate the power to read values from a DB and the calculation of the length of time, will allow mae to introduce people not to reduce the sound level, appropriate contractual.
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