2 Pack Android Shape OTG Adapter Micro USB OTG to USB 2.0 Adapter for Smartphones & Tablets (Black) Micro USB OTG Supported Phones & Tablets ( Android OS ) Compatible with Only Android & OTG Supported Device Can be used for Pen Drive, Keyboard, Mouse, EXT.HDD USB 2.0 Compatible. This OTG Adapter is compatible with most android phones. Easy to transfer files