4 in 1 USB3.0 TF Flash Drive OTG Photo Stick For iPhone iPad Android Card Reader
If you have inserted your SD card to the card reader. Choose Allow and go to next step. Reading speed: 20~27M/S. Writing speed: 11~15M/S. Open the [ i-FlashDevice ] App. Support 32GB & 64GB &128GB SDHC Micro SD card.