With this OTG cable, just connect your micro usb phone from male micro usb port and add the driver to female usb port, then you can send the files directly on your phone or tablets easily as a host. Allows you to connect devices, like flash drive, reader, mouse or a keyboard to your Micro USB OTG capable tablet computer or Smartphone, controlling your device with a mouse and keyboard. All in one, it offers a convenient way for quick and easy data reading and backup without host. Features - Color: Black. - Material: ABS - Length: About 16cm. - Portable and Versatile: portable OTG cable provides a convenient and phones or tablets host replacement of PC to view picture, listen to music, data transform from flash drivers, edit files with keyboard or mice. - Plug and Play, easy to : A must have for transferring , music, video files when you can’t transfer data via the cloud or a WiFi connection. It also can unlock your phone and get access to your phone throgh your mice when your phone screen is broken. - Charging Phone for Emergency: The phone on the OTG end is able to output the power to another phone on the other side through additional USB charging cable. NOTE: Do not support OTG and charging simultaneously. - COMPATIBILITY with the most and Windows smartphones, tablets which support OTG function. Package list: 1 x Micro USB 2.0 OTG Cable On The Go Adapter Male Micro USB to Female USB for Phones Tablets (Black)