Product Description Product Details: With this reader, it is easy to view/save/delete/share photos and videos from your SD/TF/CF card to your phone and pad, so you can view and share them with family and friends anywhere anytime. Transfer Speed:USB 2.0 High-SpeedCard Slot:SD(SDXC), TF(MicroSD, MicroSDXC), CF(Compact flash)Note: it can read one card at a time. Specification • Compliant with High-Speed USB 2.0 standard, support speeds up to 480Mbps. • With 3 card slots: CF, SD and Micro SD. One reader for three cards, cost-effective and portable. • Compatible withiPhone/compatible with iPad. • Plug and play on the phone or pad, no driver installation or software required. Please check the work flow as below to help you transfer photos or other files between memory card and compatible with iPhone & compatible with iPad.Two-way transfer for iOS user with iOS 13.0 or laterFiles AppFiles app is an important app which can transfer files between your memory card to youriPhone & compatible with iPad.Data from your compatible with iPhone is “on my compatible with iPhone” and data of memory card is on “Untiled” ( or NONAME, which is the name of your memory card)You can view data and transfer the data between memory card and compatible with iPhone. Files app can not only manager videos and photos, but also manage music, PDF, word, or Excel, etc.Photos AppPhotos app only help you to manger photos and videos, not other data.If you want to copy photos from compatible with iPhone to the memory card, you can use this photos app, choose the photos you want to copy and save to the memory cardYou can also copy the photo from memory card to “Photos”. We suggest you do it by using “Files App” and find the photos you want to save and “save the image”. Then you can find the photos from your “Photos” app. SD Card ReaderSD TF Card Reader3in1 Card Reader3in1 Card ReaderCard SlotSD, MicroSDSD, MicroSDSD, MicroSDSD, MicroSDConnectorUSB-CUSB-CUSB, USB-C, for iPhoneUSB, USB-C, Micro USBPlug Play Plug and Play: nothing required for using this memory card reader,you don`t need a computer or download any drivers to make it work,just plug it into the devices and you will be able to read the card by your phone after 5 seconds reaction. High Speed Transmission: The data transmission speed up to 20MB/S~30MB/S for this memory sd card reader for compatible with iPhone. 512 GB maximum capacity supported for the memory card. Two-way Transmission: Support two-way transmission above ios 13, you will be able to transfer images,videos or files between devices and the card reader.(NOTICE:two-way transmission does not supported on iOS9.2-12.4) Multiple Formats Supported: the compatible with iPhone SD card reader adapter supports multiple photo formats like JPEG,RAW,and 4K video formats like H.264 and MPEG-4.whats more,it also transfer files like Word, Excel, and PDF, etc. Tool for photographer: It is a Photography Accessories,No App to be downloaded. 5 seconds after inserting the memory card and connecting with the phone, click 'Photos' APP and find 'Import', then import video and photos from memory card to your phone or pad.