In theory, wireless charging technology is not harmful to human body safety. The resonance principle used in wireless charging is magnetic resonance. It only transmits between coils that resonate at the same frequency, while other devices cannot receive the band. In addition, wireless charging technology is used. The magnetic field itself is harmless to the human body. However, wireless charging technology is a new type of charging technology after all. Taking the wireless source charger of Maiyuanke, many people are concerned that wireless charging technology will be the same as Wi-Fi and the antenna of a mobile phone. In fact, the technology itself is harmless. .