Features:Wide compatibleBuilt-in high capacity rechargeable Li-Ion battery.Powerful with long operation timeHigh efficiency of power conversion Electricity-saving functionUser friendly, long cycle life and rapid chargeEnvironmental friendliness & Economic EfficiencyDual USB Output (can work for 2

Features:Wide compatibleBuilt-in high capacity rechargeable Li-Ion battery.Powerful with long operation timeHigh efficiency of power conversion Electricity-saving functionUser friendly, long cycle life and rapid chargeEnvironmental friendliness & Economic EfficiencyDual USB Output (can work for 2 phones charging at the same time)