The 15cm Mobile Device USB (Universal Serial Bus) Micro-B to USB (Universal Serial Bus) 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 (Universal Serial Bus) device such as a USB (Universal Serial Bus) flash drive for additional storage or a USB (Universal Serial Bus) keyboard & mouse for additional control. Connect a USB (Universal Serial Bus) hub to this adapter to further expand the capabilities of the mobile device by connecting multiple USB (Universal Serial Bus) devices. USB (Universal Serial Bus) OTG technology makes this connection easy & 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 (Universal Serial Bus) device directly to the USB (Universal Serial Bus) A port on the adapter & the two devices are ready to be used together. Note: Mobile devices running Android OS 3.1 & newer support USB (Universal Serial Bus) OTG. Consult the manual of the mobile device to ensure support for USB (Universal Serial Bus) OTG technology. Connector 1: (1) USB (Universal Serial Bus) Micro-B Male Connector 2: (1) USB (Universal Serial Bus)-A Female