Hearing impairment risk to 1.1 billion young people
According to the World Health Organization (WHO) on the 12th, there’s a risk for hearing impairment for those listening to music continuously for a long period of time with high volume.
Today, a warning that 1.1 billion people nearly half of the world's young people (aged 12 to 35) are at high risk of hearing loss.
安全利用の基準は大人で音量80デシベル、子どもで75デシベル、1週間に40時間です
Safe use standards are adults with sound volume 80 dB, children 75 dB, 40 hours a week.
It is better to attach a function to indicate the volume and how much you heard the device.
If you continue listening at a high volume, you will also need a function to automatically lower the volume
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