Fast Charging Portable Charger Fast Charging And Efficient Output: fast self-charging of only 6.5 hours, power output conversion rate improved to 85% ensuring 5 full charges on iPhone 6 Dual USB and Charge while Discharge: charge 2 mobile devices at the same time and can be charged and discharge simultaneously Compatible and Smart: automatically adjusts output based on the connected device, compatible with all popular smartphones and tablets Compact and Enduring: simple and elegant look with portable size, dormant when unused to avoid any power waste LED indication for battery status