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Apple iPhone 12 series mobile phones launched the MagSafe magnetic charging function, by placing a magnet inside the phone, and the wireless charger attract each other, to ensure the accurate match of the charging coil. According to foreign media appleinsider news, an overseas user who was playing on the beach accidentally dropped the iPhone 12 Pro phone onto the beach, and picked up the back cover of the phone was closely glued with a large amount of iron sand, highlighting the shape of the MagSafe magnet.