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12 groups of LED lights (60-LED) high brightness; 3 kinds of LED lighting: first press 4 groups of LED lights on / second press 8 groups of LED lights on / press again 12 groups of LED lights on; With indicator light; With different adapters to meet your needs; Built-in Li-polymer battery one full charge can light on for 7 hours; LED light with long lifespan up to 100000 hours; With USB port