USB OTG Power Y Cable
USB OTG Y power cable. This cable can be used with Android devices that don't supply power from the micro USB port, but would otherwise be OTG capable. The USB A Male connector (pictured far left) can be connected to a USB power source, thereby supplying power to the female USB A port (pictured center). The cable has the following connectors: USB Micro (smartphones / tablets), USB A Female, USB A Male (for power supply).