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With the rapid development of smart phones today, mobile power has a broad development market.Whether on the way out or on the way home, modern people always look down at their cell phones.If the phone is without electricity, people will feel that there is no sense of security. This mobile power (5000 mAh) mades by SourceEC has a stable USB output, not only has more accurate control circuit, and can guarantee the output interface has enough power for smart devices.The product structure is small, that can be controlled by one hand while playing, let you enjoy the fun of life.