The Micro USB OTG Cable applies to Mobile phones or Tablets that supports OTG function. It is used to transfer files instantly from and flash drive to either a phone or a tablet. It also allows you to connect to most USB Flash Drive, Mouse, Keyboard and some digital cameras etc. Supports from Android 2.2 to newer version, Support external keyboard. It is compatible with all Android Phones and Tablets that has OTG support function.