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wood bluetooth headphones ergonomics analysis report

  • Author:Rita
  • Source:www.jaskeyworld.com
  • Release Date:2014-11-17
   We often see people wearing Morning wood bluetooth headphones In listening to the radio, on-campus students can also be seen while walking or biking side wearing wood bluetooth headphones, listening to music. On the bus to see young people listening to loud rock music wood bluetooth headphones, and even the neighbor can hear the sound. Such long-term use of ear type headphones can lead to noise-induced hearing loss wood bluetooth headphones.
   After the study of scientific and technological personnel wood bluetooth headphones, on the average age of about twenty-three subjects, the use of ear type headphones 1 hour per day, 1 - 2.5 hours compared with the control group, there was a significant difference in hearing threshold. He prompted the use of earplugs wood bluetooth headphones can lead to noise-induced hearing loss, especially in the high frequency region above 4000 Hz was significantly greater than the low frequency region. Earbud headphones use the longer, more severe hearing loss. Some academics have also been reported, often in noisy environments can cause hearing first fall 4000 Hz,wood bluetooth headphones。
   In recent years, some wear wood bluetooth headphones Listening to music in the case of hearing loss in young people has been increasing. This is because the person wearing wood bluetooth headphones, external ear canal headphones tightly blocked i.e. live. High volume audio sound pressure directly into the ear and hearing damage, wood bluetooth headphonescause irreversible hearing damage. Long-term use headphones to listen to music, hearing there will be fatigue, injury, causing hearing loss, the body will appear irritability, dizziness, insomnia, memory loss, inability to concentrate, wood bluetooth headphones thinking unresponsive, abnormal psychological disorders, etc., on health very harmful.
wood bluetooth headphones