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The earphone battery lasts for hours for listening to music. But in the mode of listening to music and purifying the air at the same time, . Headphones without a purifier weigh in grams, and headphones with a purifier weigh in grams. The headset went on sale in China in 2019, and , UK, Hong Kong and Singapore from 2019. what does that mean Air pollution is one of the major health problems.
Long-term exposure to polluted air can lead to respiratory and cardiovascular disease, stroke and lung moible number data cancer. It also contributes to climate change, acid rain, and damage to crops and natural habitats. Air pollution can adversely affect quality and life expectancy. According to the World Health Organization, the combined effects of outdoor and indoor air pollution cause 10,000 premature deaths each year.
Noise pollution is another underestimated threat that can lead to health problems such as hearing loss, cardiovascular disease, stress and depression. According to a United Nations report, leading cities in terms of noise pollution include Dhaka (Bangladesh), Moradabad (India), Islamabad (Pakistan), Rajshahi (Bangladesh), Ho Chi Minh City (Vietnam) , Ibadan (Nigeria), (Nepal), Algeria. Noise levels in these cities exceed decibels. Journalists tested the headphones in New York, where noise levels, according to the United Nations, are in decibels. He commented that the noise canceling feature works well.
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發表於 2023-10-8 16:11:01