IBTS3 in 1 Male to Female Dual Micro USB 2.0 Host OTG Hub Adapter Cable For Samsung Expand your phone or tablets' functionality with this USB OTG (USB On the Go) adapte One Males Micro USB connects to one Micro USB female and Two USB 2.0 Female for external devices port micro USB Female only charge for micro usb Hub, can not charge the device you linked Move files (pictures, music, video) from your Phone or Tablet and Flash drive Connect a mouse, USB flash drive, digital Camear,keyboard or a game controller to your device Add PC-like functionality to your Phone or Table USB interface support USB devices such as USB flash disk,USB mouse,USB keyboard and etc.