Do not use headphones when it's unsafe to do so - while operating a vehicle, riding a bike, crossing
streets, or during any activity or in an environment where your full attention to your surroundings is
required. It's dangerous to drive while wearing headphones, and in many places, illegal because it
decreases your chances of hearing life-saving sounds outside of your vehicle, such as another car's horn
and emergency vehicle sirens. Please avoid wearing your headphones while driving.
Important Safety Notes
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Chart informabtained from : wwwgo/cateachers/pages/cp
SOUNDNOISE LEVELEFFECT
Whisper30very quiet
Quiet Office50~60Comfortable hearing levels are under 60 dB
Vacuum Cleaner / Hair Dryer70Intrusive; interferes with telephone convasations
Food Blender / Garbage Truck85~9085 dB is the level at which hearing damage (8 hrs.) begins
Cement Mixer / Power Saw100Nomore than15minutes of unprotectedexposure recommendedforsounds
between 90-100 dB.
Drill / Jackhammer110Regular exposure to sound over 100dB of more than1 minute risks permanent
hearing loss.
Rock Concerts (varies)110~140Threshold of pain begins around 125 dB
Make sure the volume of the music player is turned down before connecting your
headphones. After connecting your headphones, gradually turn up the volume until
you reach a comfortable listening level.
Noise levels are measured in decibels (dB), exposure to any noise at or above 85 dB
may result in hearing loss.
Monitor headphones usage. Hearing loss is a function of loudness versus time.
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