ROMOSS Power Bank Polymos10 6X 10000mAh 1h Fast Charger Power Pack External Charger Portable Phone Charger Dual-USB Port Cell Phone Battery Charger for iPhone iPad Sumsang HTC and more Fast Charging: Just 1h to full charge the powerbank, 6 times FASTER than the most similar power bank, helps you save time. High Capacity and Efficient Output: power output conversion rate improved to 85% ensuring 4.7 full charges on iPhone 6 Compatible and Smart: automatically adjusts output based on the connected device, compatible with all popular smartphones and tablets Dual USB and Charge while discharge: charge 2 mobile devices at the same time and can be charged and discharge simultaneously Compact and Enduring: simple and elegant look, lighter to carry, dormant when unused to avoid any power waste