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  2. Ray J - Wikipedia

    en.wikipedia.org/wiki/Ray_J

    In November 2017, Ray J co-founded a direct-to-consumer electronics brand called Raycon. Raycon sells wireless audio products such as earbuds and headphones . [34] Ray J oversees brand and strategy.

  3. Reykon - Wikipedia

    en.wikipedia.org/wiki/Reykon

    Andrés Felipe Robledo Londoño (born 12 December 1986), [1] better known as Reykon " El Líder " " Pel mazo " , is a reggaeton performer from Colombia. [2] He is considered one of the biggest proponents of Latin America's reggaeton music genre. [3] He is from Envigado, Antioquia. [4]

  4. 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 ...

  5. The best wireless headphones for seniors - AOL

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

    Headphones sit comfortably atop your head and over your ears. They also offer vastly superior battery life and, in most cases, better active noise-cancelling (ANC). Quick Overview

  6. List of United States Army Field Manuals - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States_Army...

    FM 100–5. FM 100–5, Field Service Regulations, Operations. 19 February 1962 [25] This manual supersedes FM 100–5, 27 September 1954, including C 1, 16 December 1954, C 2, 27 July 1956, and C 3, 24 January 1958.

  7. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    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 .

  8. The Design of Everyday Things - Wikipedia

    en.wikipedia.org/wiki/The_Design_of_Everyday_Things

    The Design of Everyday Things is a best-selling [1] book by cognitive scientist and usability engineer Donald Norman about how design serves as the communication between object and user, and how to optimize that conduit of communication in order to make the experience of using the object pleasurable. One of the main premises of the book is that ...

  9. Bone conduction - Wikipedia

    en.wikipedia.org/wiki/Bone_conduction

    Intentional transmission of sound through bone can be used with individuals with normal hearing — as with bone-conduction headphones — or as a treatment option for certain types of hearing impairment.

  10. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...

  11. macOS version history - Wikipedia

    en.wikipedia.org/wiki/MacOS_version_history

    From the introduction of machines not supporting the classic Mac OS in 2003 until the introduction of iPhone OS in early 2007, Mac OS X was Apple's only software platform. macOS retained the major version number 10 throughout its development history until the release of macOS 11 Big Sur in 2020.