This large circle represents the magnetic field of wireless charging
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After the mobile phone with a protective shell, relying on the built-in magnetic module of the mobile phone is a little powerless, so the built-in magnetic module of the protective shell can supplement the magnetic force, Apple's official transparent protective shell can clearly see the white circle, which is the MagSafe magnetic module.
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At present, there are a variety of third-party magnetic accessories on the market, and the magnetic size is uneven, but it is certain that there is no MagSafe mobile phone case to use the magnetic mobile phone holder, which requires high magnetic force accessories