The iPhone 8\/8 Plus and iPhone X can support wireless charging.
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1, Qi is the wireless charging Alliance (WPC) launched the wireless charging standard, the use of electromagnetic induction technology, in the wireless charging base and the mobile phone, respectively, the transmitter coil and the receiver coil, through the transmitter coil to produce periodic changes in the magnetic field, the receiving coil to feel the magnetic field changes to generate current.
2, therefore, Qi wireless charging is mainly point-to-point charging, that is, a transmitting coil corresponds to a receiving coil. This wireless charging method also has high requirements for the placement of the coil, and can not be charged if there is no criterion.