莫让劣质耳机成为听力杀手--杨远锋的博客

莫让劣质耳机成为听力杀手

[ 2011-4-6 11:31:00 | By: 杨远锋 ]

近几年，在大街上、公交车上、甚至大学校园里一些年轻人为了追求时尚，都喜欢长时间戴着耳机欣赏音乐或者接听手机。但很少有人想过市场上作为MP3、MP4配件的耳机有相当一部分是劣质产品。质监部门提醒消费者：长期使用劣质耳机听音乐将可能导致耳鸣、听力下降，甚至会导致人耳聋。
    调查发现，在电子产品销售部或批发市场都有耳机出售，有些耳机卖得很便宜，有一些产品包装上没有任何性能指标介绍。
    质监部门工作人员指出，质量好的和质量较差的耳机除了声音效果的差别以外，还会对听力带来不同的影响。那些质量较差、不能有效屏蔽噪音的耳机通常会使人无意中调高音量，进而对听力造成长期影响。
    质监部门提醒消费者：选购耳机最简单的方法就是戴上该款耳机，听10至15分钟，如果耳朵有胀痛感，并伴有轻微头晕，那么这款耳机很有可能就是劣质产品。另外，听MP3时音乐声最好能控制在80分贝以下，以感觉舒适悦耳为宜；戴耳机收听的时间不宜过长。郭飞

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原创

[ 2016-9-6 17:14:33 | By: 原创(游客) ]

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Re:在漫画中识别身边的违章

[ 2016-9-24 13:03:33 | By: omcei(游客) ]

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原创

[ 2016-9-28 16:50:15 | By: 原创(游客) ]

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原创

[ 2016-9-30 11:26:56 | By: 原创(游客) ]

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Re:在漫画中识别身边的违章

[ 2016-10-8 15:33:45 | By: nrwyc(游客) ]

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

[ 2016-10-15 19:12:23 | By: bfkmq(游客) ]

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Re:在漫画中识别身边的违章

[ 2016-10-22 4:20:02 | By: aznrv(游客) ]

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

[ 2017-2-18 22:05:04 | By: dpfgj(游客) ]

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Re:在漫画中识别身边的违章

[ 2017-2-19 21:48:15 | By: udtvy(游客) ]

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Re:在漫画中识别身边的违章

[ 2017-2-20 15:15:04 | By: bqtxb(游客) ]

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