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  2. Template:AirPods technical specifications - Wikipedia

    en.wikipedia.org/wiki/Template:AirPods_technical...

    AirPods (1st gen) AirPods (2nd gen) AirPods Pro (1st gen) AirPods Max AirPods (3rd gen) AirPods Pro 2 (previously 2nd gen) AirPods 4 AirPods 4 with ANC; Timeline Announced January 9, 2007 [3] September 7, 2016 March 20, 2019 October 28, 2019 December 8, 2020 October 18, 2021 September 7, 2022 September 9, 2024 Released June 29, 2007 [3 ...

  3. AirPods - Wikipedia

    en.wikipedia.org/wiki/AirPods

    During a complete dismantling, each AirPod was found to contain a 93 milliwatt hour battery in its stem, while the charging case contains a 1.52 watt hour or 398 mAh at 3.81 V battery. [ 18 ] The model numbers for the first-generation AirPods are A1523 and A1722.

  4. Hitachi HD44780 LCD controller - Wikipedia

    en.wikipedia.org/wiki/Hitachi_HD44780_LCD_controller

    First, with D3–D0 unconnected, these lines will always appear high (binary 1111) to the HD44780 since there are internal pull-up MOSFETs. [3] Second, the LCD may initially be in one of three states: State 1: 8-bit mode; State 2: 4-bit mode, waiting for the first set of 4 bits; State 3: 4-bit mode, waiting for the second set of 4 bits

  5. AirPods Pro - Wikipedia

    en.wikipedia.org/wiki/AirPods_Pro

    Apple announced AirPods Pro on October 28, 2019, and released them two days later on October 30, 2019. [7] They include features of standard AirPods, such as a microphone.. They also have noise cancellation to reduce exterior sounds background noise, accelerometers and optical sensors that can detect presses on the stem and in-ear placement, and automatic pausing when they are taken out of the ea

  6. AirPods Max - Wikipedia

    en.wikipedia.org/wiki/AirPods_Max

    AirPods: 6.64 x 3.28 x 7.37 in ... more color options, and longer battery life. ... Model number [13] L A1221 A1722 A2031 A2084 A2096

  7. Apple headphones - Wikipedia

    en.wikipedia.org/wiki/Apple_headphones

    AirPods Pro were released on October 30, 2019 as a premium option compared to AirPods. They feature the same H1 chip found on the second-generation AirPods, and boast a slimmer design, control by pressing the force sensor on the stems instead of double tapping on the ear pieces, active noise cancellation , adaptive EQ , IPX4 water resistance, a ...

  8. List of Bluetooth profiles - Wikipedia

    en.wikipedia.org/wiki/List_of_Bluetooth_profiles

    1.3 — all of 1.0 plus metadata and media-player state support [7] The status of the music source (playing, stopped, etc.) Metadata information on the track itself (artist, track name, etc.). 1.4 — all of 1.3 plus media browsing capabilities for multiple media players [8] Browsing and manipulation of multiple players

  9. Johnson Controls Hitachi - Wikipedia

    en.wikipedia.org/wiki/Johnson_Controls_Hitachi

    In July 2024, Johnson Controls said that it would sell its business for residential and light commercial buildings to Bosch for $6.7 billion. As part of this transaction, Bosch also intends to acquire 100 percent of the Johnson Controls-Hitachi Air Conditioning joint venture, including Hitachi’s 40 percent stake.