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  2. Headphones - Wikipedia

    en.wikipedia.org/wiki/Headphones

    The 3.5 mm radio and phone connector, which is the most commonly used in portable applications today, has been used at least since the Sony EFM-117J transistor radio, which was released in 1964. [ 28 ] [ 29 ] Its popularity was reinforced by its use on the Walkman portable tape player in 1979.

  3. ISO 15118 - Wikipedia

    en.wikipedia.org/wiki/ISO_15118

    ISO 15118 is one of the International Electrotechnical Commission's (IEC) group of standards for electric road vehicles and electric industrial trucks, and is the responsibility of Joint Working Group 1 (JWG1 V2G) of IEC Technical Committee 69 (TC69) [3] together with subcommittee 31 (SC31) [4] of the International Organization for Standardization's (ISO) Technical Committee 22 (TC22) [5] on ...