iogear GMPC10K is a portable power bank that can charge your mobile devices on the go. With a capacity of 10,000mAh, it can provide multiple charges for most smartphones and tablets. It has two output ports, a USB Type-A port and a USB Type-C port, so you can charge two devices simultaneously. The USB Type-C port supports fast charging, so you can quickly power up your compatible devices. The power bank also has a built-in LED flashlight, so you can use it as an emergency light source.

To use the power bank, simply connect it to your device using a USB cable. The power bank will automatically start charging your device. You can check the remaining battery level of the power bank by pressing the battery check button. The power bank will automatically turn off after 30 seconds of inactivity to conserve power.