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Xiaomi discloses sound charging patent that can use ambient sound to charge electronic devices
天眼查App显示,6月18日,北京小米移动软件有限公司公开“声音充电设备、储能设备和电子设备”发明专利。该专利为一种声音充电设备,可利用周围环境的声音即可给电子设备充电,无需用户寻找电源插座,降低充电难度。
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