This OTG cable combined Aluminum Alloy,Nylon and copper material, 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. Professional designed for data transfer use. It offers a convenient way for quick and easy data reading and backup without host. Features - Color: Black. - Material: Aluminum Alloy+Nylon+Copper. - Size: 20 x 16 x 10 cm. - Plug and Play, easy to use: A must have cable 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. - Made of source material, durable and practical, easy to use and . - Universal Compatibility with the most and other kind smartphones, tablets which support OTG function. - Warm Tip: Dear buyer, Due to lighting effect, monitor’s brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 3 x OTG Cable