Romoss Polymos 10 Air 10000mAh Power Bank The all new polymer batteries offer high-density, high-capacity, slim sized features. Every detail is meticulously designed, with softened corners and polished body for a comfortable grip sensation. Fast charge technology with a 2.1A output, delivers a safe and stable current for mobile phones at double speed, charging your devices in a shorter time. Features: - Fast Charging and Efficient Output: fast charging of only 5.5 hours, power output conversion rate improved to 85% ensuring 4.7 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, lighter to carry, dormant when unused to avoid any power waste - LED indication for battery status Specification: - Warranty: 12 Months