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2. Qi (standard) - Wikipedia

   en.wikipedia.org/wiki/Qi_(standard)

   Qi (pronounced / tʃ iː / CHEE; [1] from simplified Chinese: 气; traditional Chinese: 氣; pinyin: qì) is an interface standard for wireless power transfer using inductive charging. The standard allows compatible devices, such as smartphones , to charge their batteries when placed on a Qi charging pad, which can be effective over distances ...

3. Inductive charging - Wikipedia

   en.wikipedia.org/wiki/Inductive_charging

   Inductive charging. The primary coil in the charger induces a current in the secondary coil in the device being charged. Inductive charging (also known as wireless charging or cordless charging) is a type of wireless power transfer. It uses electromagnetic induction to provide electricity to portable devices. Inductive charging is also used in ...

4. Samsung Galaxy S21 - Wikipedia

   en.wikipedia.org/wiki/Samsung_Galaxy_S21

   The Samsung Galaxy S21 is a series of high-end Android-based smartphones designed, developed, marketed, and manufactured by Samsung Electronics as part of its Galaxy S series. They collectively serve as the successor to the Samsung Galaxy S20 series. The first three smartphones were unveiled at Samsung's Galaxy Unpacked event on 14 January 2021 ...

5. Samsung Galaxy S22 - Wikipedia

   en.wikipedia.org/wiki/Samsung_Galaxy_S22

   The S22 supports wired charging over USB-C at up to 25W (using USB Power Delivery) while the S22+ and S22 Ultra have faster 45W charging. Tests found there's no significant difference between the 45W and 25W charging speeds. [7] All three have Qi inductive charging up to 15W. The phones also have the ability to charge other Qi-compatible ...

6. MagSafe (wireless charger) - Wikipedia

   en.wikipedia.org/wiki/MagSafe_(wireless_charger)

   The MagSafe Charger is a single charging pad that contains recyclable rare-earth magnets surrounding a Qi wireless charging coil attached to a 1m USB-C cable. The MagSafe Charger delivers up to 15 W of power on the iPhone 12, 13, 14 and 15 series, with the exception of the iPhone 12 Mini and 13 Mini, which support 12 W. [11] The Wall Street Journal found MagSafe charged at half the speed of a ...

7. List of UWB-enabled mobile devices - Wikipedia

   en.wikipedia.org/wiki/List_of_UWB-enabled_mobile...

   Compatible platform(s) Release date Availability Compatible asset tracking network UWB Controller Apple: HomePod Mini: iOS 16.3, iPadOS 16.3 or later: November 2020 Apple's Find My: Apple U1 HomePod (2nd generation) January 2023 Apple U1 [16] AirTag: iOS 14.5, iPadOS 14.5 or later: April 2021 Apple U1 [17] AirPods Pro 2: iOS 15.1, iPadOS 15.1 ...