Wide compatibleBuilt-in 10400 high capacity rechargeable Li-Ion battery.10400 capability, Powerful with long operation timeHigh efficiency of power conversion Electricity-saving functionUser friendly, long cycle life and rapid chargeEnvironmental friendliness & Economic EfficiencyDual USB Output
Wide compatibleBuilt-in 10400 high capacity rechargeable Li-Ion battery.10400 capability, 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)