The GyroVu High Capacity 30,000mAh Power Bank provides two full-size 5V USB outputs for charging/powering smartphones and various other devices. The outputs can be used simultaneously. One provides up to 2.1A of power and the other up to 1A, to be used as required by your device. You will need a compatible USB cable for your device, sold separately. One end of the cable must have a USB Type-A connector and the other end whichever connector your device requires.
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\r\nThe compact power bank also has a numerical battery level display and a built-in LED flashlight. For charging the power bank itself when it runs out of power, there are three inputs for ultimate flexibility: micro-USB, Lightning, and USB Type-C. If, for example, you use a Lighting to USB Type-A cable to charge an iPhone, you can use the same cable to charge this power bank.