This practical USB adapter cable provides a quick and easy way to connect a mouse, keyboard, USB-stick, etc. to the micro USB port every smart phone or tablet or other device with OTG support. The cable converts the USB micro-B port of your phone or tablet into a standard female USB A port, thus allowing you to connect portable HDD’s, memory sticks, mice, keyboards and other peripherals. And also allows to add external power supply via extra connector. Specifications Connectors: USB 2.0-A female + Micro B female and USB micro-B male USB micro-B male: 9 mm metal part, longer than regular Interface: USB 2.0 OTG function (On-The-Go) Cable length: 15 cm Long MicroUSB connector: 9 mm length