Otg adapter, mobile phone micro charging port to usb converter. Simply connect your micro usb phone of male microusb port, and add the driver, female usb port. Can easily transfer files directly to your phone or tablet as a host. Can connect flash memory, mouse, keyboard and other gadgets to your mobile device. Mini otg is unique and cute, mini size, easy to carry. Otg usb flash driver Output current: 3a Adapter usb to micro usb Color: black