FEATURES of the mophie Power Reserve Micro 1.0A Micro USB Connector - Quick charge your smartphone or USB device Quick Release Button - Disconnect from the key ring to charge device Integrated Micro USB Port - Recharge using the included micro USB cable LED Power Indicator - Indicates charging mode and current battery life SPECIFICATIONS of the mophie Power Reserve Micro Product dimensions : 1.50 in x 2.84 in x 0.56 in Weight : 1.91 oz Compatibility: Devices with micro USB Battery capacity : 1350mAh