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  2. Huawei FreeBuds - Wikipedia

    en.wikipedia.org/wiki/Huawei_FreeBuds

    Huawei FreeBuds are wireless Bluetooth and NearLink earbuds. They were first announced and released on March 27, 2018, alongside the Huawei P20 series.In addition to playing audio, the Huawei FreeBuds contain built-in microphones for noise cancellation, accelerometers, and optical sensors to detect wear status and gestures (e.g., double-tap to pause audio).

  3. Restrictions on cell phone use while driving in the United ...

    en.wikipedia.org/wiki/Restrictions_on_cell_phone...

    totally prohibited. Use of phone to talk is allowed, but text or email by the driver while vehicle is operational on state roads is prohibited. An exception exists for using GPS, dialing a number to make a call, or reporting an emergency. As of January 1, 2021, all handheld use of a phone will be prohibited.

  4. List of Bluetooth profiles - Wikipedia

    en.wikipedia.org/wiki/List_of_Bluetooth_profiles

    Bluetooth HID is a lightweight wrapper of the human interface device protocol defined for USB. The use of the HID protocol simplifies host implementation (when supported by host operating systems) by re-use of some of the existing support for USB HID in order to support also Bluetooth HID. Keyboard and keypads must be secure.

  5. Bluetooth - Wikipedia

    en.wikipedia.org/wiki/Bluetooth

    Website. www .bluetooth .com. A Bluetooth earbud, an earphone and microphone that communicates with a cellphone using the Bluetooth protocol. 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).

  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. Wireless device radiation and health - Wikipedia

    en.wikipedia.org/wiki/Wireless_device_radiation...

    Since at least the 1990s, scientists have researched whether the now-ubiquitous radiation associated with mobile phone antennas or cell phone towers is affecting human health. [1] Mobile phone networks use various bands of RF radiation, some of which overlap with the microwave range. Other digital wireless systems, such as data communication ...