Wide Compatible: OTG USB + card reader adapter for Phone / Pad with iOS 13 version , Compatible with 12 11/11Pro/11Pro Max/Xs/Xs Max/X/8/8 Plus/7/7Plus/6/6 Plus/5/5S/SE and Pad Air /Mini /Pro. Charge your phone Simultaneously: No need to worry about insufficient battery power when use the USB OTG adapter . You can charge your Phone or Pad ?at the same time. Portable and functional: Plug and Play, No Need APP, You can easily use the OTG USB adapter for extend more functions for your Phone or Pad. Note: (It is not supported to connect devices with a current exceeding 500 mA or need to download drive, such as hard disk or printer.). Read TF/SD card directly: this USB OTG adapter comes with TF and SD card slot, You can just insert the card then you can read it. NOTICE: TF and SD card can not be used simultaneously as they use the same chip function. Add greater capability and versatility to your Phone or Pad.: you can connect USB peripherals like hubs, audio/MIDI interfaces, and card readers for CompactFlash, SD, microSD, other USB devices via this iOS OTG USB adapter.