The rule also mandates universal Bluetooth standards and volume control compliance for all smartphones.

    • bitwolf
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      9 hours ago

      I recall it being required in cars. IIRC all cars after 2012 needed to have bluetooth and hands free.

      Perhaps phones just operated in proxy to that

    • @halcyoncmdr@lemmy.world
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      261 day ago

      Not officially, but nearly every device has supported hearing aids compatibility for years, well before smartphones became the standard.