Dedicated to making a better life through innovative, reliable electronics and accessories. 4-in-1 Great Functionality1.USB 2.0 Date Transfer: Support USB data hot swap sync to PC or Smartphone or Tablet.2.Micro USB OTG to USB 2.0 Adapter:You can connect USB Keyboard, USB Flash Drive, USB Mouse etc.3.Micro USB OTG to Micro USB Port: You can charge your Adroid phone or tablet via Micro USB port.4.2-in-1 Card Reader: You can read or write your TF/SD Card anywhere. Simple to Use & Wide Compatibility5.Just plug into micro-usb on your Android phone or tablet, no installation needed.6.Guarantee to be compatible with Android 4.0 or above with OTG (USB On-The-Go) enable Smartphone and tablet, such as For Samsung Galaxy S6/S6 Edge/S5/S4/Mega/ Note 4/ 3/2/For Nokia Lumia, etc