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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. Earplug - Wikipedia

   en.wikipedia.org/wiki/Earplug

   See also: Plug (jewellery) 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 ...

4. Headphones - Wikipedia

   en.wikipedia.org/wiki/Headphones

   Headphones are also known as earphones[1] or, colloquially, cans. [2] Circumaural (around the ear) and supra-aural (over the ear) headphones use a band over the top of the head to hold the drivers in place. Another type, known as earbuds or earpieces, [1] consists of individual units that plug into the user's ear canal.

5. Noise-Induced Hearing Loss: What It Is And How to Treat It - AOL

   www.aol.com/noise-induced-hearing-loss-treat...

   To keep the volume at a safe level, limit the volume to 60-70% of the maximum volume. A good rule of thumb is that you should still be able to hear a person talking at an arm’s length from you ...

6. Earmuffs - Wikipedia

   en.wikipedia.org/wiki/Earmuffs

   Earmuffs that are also hearing protection. Earmuffs refer to two different items. Both items consist of a thermoplastic or metal head-band that fits over the top or back of the head, and a cushion or cup at each end to usually cover both ears. The cups can either be clothing accessories designed to cover a person's ears for warmth or personal ...

7. The 7 best OTC hearing aids for seniors, according to ... - AOL

   www.aol.com/lifestyle/the-7-best-otc-hearing...

   This receiver-in-canal hearing aid is discreet and fits securely behind the ear. An invisible wire connects to a small speaker in the ear canal, which amplifies sound for those with mild-to ...