2 PCS Micro USB OTG Adapter, Micro USB to USB Flash Drive OTG Adapter for Android smartphone/Tablet/Samsung Galaxy and More OTG USB Flash Drive: Plug in your USB flash drive to make it OTG enabled, allowing your phone to read and write data Phone to Phone Charging: Allow you to charge a phone via another Android phone Connect the OTG adapter with mouse or keyboard, allowing you to play games or view files or write messages by the phone Compatible with all USB flash drives, smart phones/tablet PC with OTG function and Micro USB port This OTG Adapter is compatible with most android phones.