Romoss Polymos 10s 10000mAH Quick Charge QC2.0 Dual Ouput Fast Charging Power Bank

Fast Charging and Efficient Output: fast charging of only 3.5 hours, power output conversion rate improved to 85%, 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, lighter to carry, dormant when unused to avoid any power waste LED indication for battery status