JUJEO Micro USB Male/Female to USB Female OTG Host Adapter Cable for Samsung Sony - Non-Retail Packaging - Black The mobile acts as a mini computer and allows you to browse your memory stick or external hard drive, you can even control your phone via a USB Mouse or Keyboard These cables are compatible with most modern devices which have a Micro USB Port, your phone/tablet must support OTG ( On-the-Go ) Please check the compatibility of your phone before purchasing There is a Micro USB female power connector, can charge the extral USB device , like usb flash disk, usb hard disk Cable Length: approx. 30cm The mobile acts as a mini computer and allows you to browse your memory stick or external hard drive, you can even control your phone via a USB Mouse or Keyboard ^These cables are compatible with most modern devices which have a Micro USB Port, your phone/tablet must support OTG ( On-the-Go ) Please check the compatibility of your phone before purchasing ^There is a Micro USB female power connector, can charge the external USB device , like USB flash disk, USB hard disk ^Cable Length: approx. 30cm