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Built-in upgraded pure copper coil to improve the charging speed by 45%;
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Smart chip avoids over-charging, efficiently protecting your phone;
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Two charging modes: 5V/2A-standard mode; 9V/1.67A-fast charging modes;
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Automatically identify different devices to choose the appropriate charging mode;
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Cooling and ventilation design at the bottom, thus no heating even fast charging;
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It has strong compatibility, applicable for 99% smart phones.
