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2. Do anti-snoring devices actually work? - AOL

   www.aol.com/news/anti-snoring-devices-actually...

   Over-the-counter snoring mouthguards typically max out around $100, while those that dentists make tend to cost over $1,000 if your insurance doesn’t cover it, says Chung. SnoreRx Snoring Mouthguard

3. Hearing protection fit-testing - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_fit-testing

   If the attenuation is greater than that, it can also interfere with the HPD use by making it difficult to hear important sounds. [6] Wearing or inserting the hearing protection device correctly so it seals the wearer's ear canal, using the "roll-pull-hold" method for foam earplugs, and ensuring earmuffs create an unbroken seal around each ear. [7]

4. Earplug - Wikipedia

   en.wikipedia.org/wiki/Earplug

   A 2003 study published in Clinical Otolaryngology found that a cotton ball saturated with petroleum jelly was more effective at keeping water out of the ear, was easier to use, and was more comfortable than wax plugs, foam plugs, EarGuard, or Aquafit. [34] Jacques-Yves Cousteau [35] warned that earplugs are harmful to divers, especially scuba ...

5. Noise-induced hearing loss - Wikipedia

   en.wikipedia.org/wiki/Noise-induced_hearing_loss

   Passive ear protection includes earplugs or earmuffs which can block noise up to a specific frequency. Earplugs and earmuffs can provide the wearer with 10 dB to 40 dB of attenuation. [ 99 ] However, use of earplugs is only effective if the users have been educated and use them properly; without proper use, protection falls far below ...

6. Active noise control - Wikipedia

   en.wikipedia.org/wiki/Active_noise_control

   The wavelength in air of sinusoidal noise at approximately 800 Hz is double the distance of the average person's left ear to the right ear; [1] such a noise coming directly from the front will be easily reduced by an active system but coming from the side will tend to cancel at one ear while being reinforced at the other, making the noise ...

7. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

   www.aol.com/entertainment/20-off-raycon-earbuds...

   Raycon has an amazing selection of best selling earbuds, headphones and more which rival the most popular brands — but best of all, they’re significantly less expensive. ...