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2. Hearing protection device - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_device

   A hearing protection device, also known as a HPD, is an ear protection device worn in or over the ears while exposed to hazardous noise and provide hearing protection to help prevent noise-induced hearing loss. HPDs reduce the level of the noise entering the ear. HPDs can also protect against other effects of noise exposure such as tinnitus and ...

3. Hearing aid - Wikipedia

   en.wikipedia.org/wiki/Hearing_aid

   A hearing aid with an audio boot. An audio boot or audio shoe is an electronic device used with hearing aids; hearing aids often come with a special set of metal contacts for audio input. Typically the audio boot will fit around the end of the hearing aid (a behind-the-ear model, as in-the-ear do not afford any purchase for the connection) to ...

4. Earplug - Wikipedia

   en.wikipedia.org/wiki/Earplug

   Earplug. Pre-molded earplugs (left), formable earplugs (center), and roll-down foam earplugs (right) An earplug is a device that is inserted in the ear canal to protect the user's ears from loud noises, intrusion of water, foreign bodies, dust or excessive wind. Since they reduce the sound volume, earplugs may prevent hearing loss and tinnitus ...

5. Audiologists Say These Are the Best Over-The-Counter Hearing Aids

   www.aol.com/lifestyle/audiologists-best-over...

   CRE-C20. These newly-released OTC hearing aids are packed with prescription-grade technology for less than $1,000. The Sony CRE-C20 are incredibly discreet within the inner ear, though the tiny ...

6. Hearing protection fit-testing - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_fit-testing

   Hearing protector fit-testing is a method that measures the degree of noise reduction obtained from an individual wearing a particular hearing protection device (HPD) - for example, a noise canceling earplug or earmuff. Fit testing is necessary due to the fact that noise attenuation varies across individuals.

7. These Are the Best Men’s Winter Boots for Trekking ... - AOL

   www.aol.com/winter-boots-men-keep-toasty...

   Caribou Men’s Winter Boot. The Caribou is a best-of-all-worlds boot that can tackle most cold winter conditions and has insulation rated to negative 40 degrees Fahrenheit. It relies on thick ...