Even while charging, phones charged from a USB cord have a supply voltage of just 5 volts, which would be harmless to a person.
即使在充电过程中，使用数据线充电的手机只有5伏电压，几乎不会造成伤害。只有当电压达到36伏左右时才可被人体感知。
Even while charging, phones charged from a USB cord have a supply voltage of just 5 volts, which would be harmless to a person.
即使在充电过程中，使用数据线充电的手机只有5伏电压，几乎不会造成伤害。只有当电压达到36伏左右时才可被人体感知。
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