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2. Trouble hearing your TV? These 'crystal-clear' wireless ... - AOL

   www.aol.com/lifestyle/cant-hear-tv-genius...

   Easy setup. The Avantree Ensemble headphones are a snap to set up. Just plug the transmitter into the proper port on your TV — it will most likely look like a headphone jack, or the same port ...

3. The best wireless headphones for seniors - AOL

   www.aol.com/lifestyle/best-wireless-headphones...

   More options. Sony WH-CH720N Noise-Cancelling Wireless Headphones. Best Sony XM5 headphones alternative. $98 at Walmart. Earbuds are easily lost, too, but just try misplacing a full-size headphone ...

4. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Noise -cancelling headphones alongside a carry case. Noise-cancelling headphones are headphones which suppress unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing . Noise cancellation makes it possible to listen to audio ...

5. 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 ...

6. These best-selling noise canceling headphones have nearly ...

   www.aol.com/entertainment/these-bestselling...

   The Cowin E7 noise-canceling headphones are one of the retailer's best-selling -- and it's clear to see why. Whether you're using it to cancel out background noise or to listen to music, it serves ...

7. Headphones - Wikipedia

   en.wikipedia.org/wiki/Headphones

   Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air for anyone nearby ...