With new magnets and coils, Apple is making all sorts of new things possible.

Remember MagSafe? The beloved charging plug for MacBooks was given the boot when Apple moved to USB-C charging, but the company just brought it back as a new standard for iPhone charging and accessories.

With a ring of magnets around a new charging coil design, along with improved shielding and NFC, you can sort of “snap” the iPhone 12 or iPhone 12 Pro to a new MagSafe wireless charger, just like you do with the Apple Watch. 
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https://www.macworld.com/article/3585789/iphone-12-magsafe-wireless-charging-cases-accessories.html