Unique OTG allows your device to act as a host for other USB devices like keyboards, mouse, digital camera, USB flash drive, external storage, micro SD card reader and other USB devices. Work more efficiently Connects USB-A (flash drives, keyboards, mice) to smartphones and tablets with Micro USB port. If your phone supports USB OTG - Plug in and use computer peripherals like a flash drive, keyboard, hub, or mouse with your phone or tablet. Plug and play design. No external driver or software installation needed.