Specifications Material: ABS Weight: 0.5 ounces Size:? 3.94 x 1.57 x 0.59 inches Maximum support capacity: 256GB High-speed transmission: SD card reader for phone data transmission speed can reach 20MB/s~30MB/s. Support Formats:SD card reader for phone/pad supports standard photo formats (including JPER and RAW) and SD and HD video formats (including H.264 and MPEG-4). sd card reader for phone The SD/micro sd Card Reader Compatible with sd and micro sd memory card,support all Phone with iOS 9.2 and up and Pads with iOS 8.0 or later memory card reader For iOS9.2-12.4:the SD/micro sd card reader only supports one-way transmission from SD/TF to the Phone/Pad, and does not support two-way transmission ONLY iOS 13 and later supports TWO-WAY transmission(transfer not only pictures and videos but also Word, Excel, and PDF, etc.) Instructions 1. Insert a SD card to the slot and connect it to Phone/Pad; 2. Open the “Files” App on Phone/Pad, find the SD card folder; 3. Start to view or transfer files between SD card and device. sd card reader *Warm Prompt* -----The SD card adapter for Phone supports 512GB SD card and micro SD card/TF card. However,due to the limitation of i0S system, only one card can be read at a time. Please do not read two cards at the same time.(Tips: For the Sony brand,the memory card only supports 256GB) -----For iOS 13,it is no pop-up, you can find 'import' in the "Photos" app or" Files "app. -----Please ensure that the memory card has been correctly inserted into the camera memory card reader. If photos or videos are not transmitted,unplug the reader and memory card and reconnect -----If the trail camera viewer is prompted that the cable or accessories have not been authenticated, it may be in bad contact, please pull them out and insert them again. If there's another problem with re-inser?Ideals for iOS Users?When you are traveling outdoors, you can share the camera pictures to the Pad and Phone without using a computer, fast and stable connection(wait for 3-5 seconds). With SD Card Camera Reader, you can transfer photos & videos from your high-resolution digital camera to your Phone and Pad directly. ?How to Use?Connect the SD Card Camera Reader to Phone/Pad, open the Photos app, which lets you choose photos and videos to import, then organizes them into albums. for iOS13+, is the two-way transmitter. You can transfer pictures, video, MP3 files, MP4 files, Excel, Word, PPT, PDF on Files App. ?Universal Compatibility?This adapter compatible with multiple devices, such as Phone 13 / 13 Pro Max 12 Pro Max/12 Pro/12 Mini/12/11 Pro Max/11 Pro/11/XS Max/XS/XR/X/8/8 Plus/7/7 Plus/6S/6S Plus/5/5S/SE and Pad Pro/Air/Mini/Pod touch(under the folder: DCIM. The IOS 13 and later models can read 4K video.) Support iOS 9.2- iOS15 and before. ?High Speed Data Transmission?The sd card reader for phone data transmission speed can reach 20MB/S~30MB/S,the memory sd card reader for phone can transmit photos and videos of your camera to your device in a few seconds, saving a lot of time. ?Plug and Play?Don’t need any extra driver or third- party application! Insert a SD card and connect the SD card adapter to your Phone/Pad. Wait about 5s, then you can start to view or transfer data between Phone and SD card.