The 15cm Mobile Device USB Micro-B to USB Device OTG Adapter Cable is the perfect solution for expanding the capabilities of an OTG enabled tablet, smartphone or other mobile device by directly connecting a USB device such as a USB flash drive for additional storage or a USB keyboard and mouse for additional control. Connect a USB hub to this adapter to further expand the capabilities of the mobile device by connecting multiple USB devices. USB OTG technology makes this connection easy and does not require a driver, software or lengthy setup time. Simply connect the adapter to the Micro-B port on an OTG enabled mobile device, connect the USB device directly to the USB A port on the adapter and the two devices are ready to be used together. Note: Mobile devices running Android OS 3.1 and newer support USB OTG. Consult the manual of the mobile device to ensure support for USB OTG technology. Connector 1: (1) USB Micro-B Male Connector 2: (1) USB-A Female