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2. 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 ...

3. In-flight entertainment - Wikipedia

   en.wikipedia.org/wiki/In-flight_entertainment

   In-flight entertainment. In-flight entertainment ( IFE) refers to entertainment and other value-added services available to aircraft passengers during a flight. Frequently managed by content service providers, the types of in-flight entertainment and their content varies significantly based on the airline, aircraft type, and geographic region.

4. Active noise control - Wikipedia

   en.wikipedia.org/wiki/Active_noise_control

   Active noise control ( ANC ), also known as noise cancellation ( NC ), or active noise reduction ( ANR ), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in ...

5. Bluetooth - Wikipedia

   en.wikipedia.org/wiki/Bluetooth

   Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limited to 2.5 milliwatts, giving it a very short range of up to 10 metres (33 ft).

6. How noise cancelling headphones work - AOL

   www.aol.com/news/noise-cancelling-headphones...

   Active noise cancellation in earbuds can’t quite compare with in-ear models, but that won’t stop Bose from trying — and these QuietComfort earbuds do an astonishing job of implementing ANC ...

7. List of discontinued Bose headphones - Wikipedia

   en.wikipedia.org/wiki/List_of_discontinued_Bose...

   The "QuietComfort 35" (QC35) over-ear wireless headphones were sold from 2016 until 2018, [37] as a Bluetooth headset based on the QuietComfort 25 model. The QC35s could be used without Bluetooth as wired headphones, and the right earcup included volume controls and a play/pause button. The available colours were matte black and silver.