Specifications Material: PC Weight: 0.75 ounces Size: 5.51 x2.36x 0.55 inches Maximum support capacity: 1TB High-speed transmission: SD card reader for iPhone data transmission speed can reach 20MB/s~30MB/s. Support Formats:SD card reader for iPhone/iPad supports standard photo formats (including JPER and RAW) and SD and HD video formats (including H.264 and MPEG-4). sd card reader for iPhone The SD/micro sd Card Reader Compatible with sd and micro sd memory card,support all iPhone with iOS 9.2 and up and iPads 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 iPhone/iPad; 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. usb adapter for iPhone This USB adapter for iPhone and iPad supports connecting keyboard and mouse, just like a PC, using Office efficiently. Compatible iOS Devices: Compatible with iPhone 13, 13 Mini, 13 Pro, 13 Pro Max, 12, 12 Mini, 12 Pro, 12 Pro Max, SE 2, 11 Pro Max, 11 Pro, 11, Xs Max, Xs, X, 8 Plus, 8, 7 Plus, 7, SE, 6S Plus, 6 Plus, 6S, 6, 5S, 5C, 5; Compatible with iPad Mini, Mini 2, Mini 3, Mini 4, Air, Air 2, iPad Pro (9.7-inch), iPad Pro (12.9-inch) (USB C iPad Pro not compatible) Compatible Peripherals Devices: - Compatible with USB headset, USB sound card, USB amplifier, MIDI keyboard, SONY PHA amp, USB microphone, digital cameras, electric piano, electric torch, electric drums, PC keyboard, wireless keyboards, wireless mouse, wired mouse Korg strike pads, YAMAHA mixer Audio DAC, Mojo DAC, music keyboard PAD ect. Incompatible Devices: hard disk, printer, recorder, game handle, portable WiFi, Bluetooth adapter sd card reader