3-in-1 design with USB-C, SD 4.0, and TF (MicroSD) slots for reading all card types simultaneously​ 312MB/s ultra-fast transfer speed with USB 3.0 for backing up photos and videos in seconds​ Magnetic attachment works with iPhone 15/16 MagSafe and includes magnetic ring for other phones​ 100W Power Delivery passthrough lets you transfer files while charging without occupying phone port​ Supports up to 2TB cards including SD, SDHC, SDXC, microSD, microSDHC, and microSDXC formats​. 1 Year Warranty