USB 3.1 SD/micro SD card reader with USB (Universal Serial Bus) 3.1 Type C & USB (Universal Serial Bus) 3.0 Type A for direct data exchange between memory cards & PCs, notebooks, smartphones & tablet PCs. Card reader for all common SD card formats such as SD/SDHC/SDXC & micro SD/micro SDHC/micro SDXC. Suitable & tested for USB (Universal Serial Bus) 3.1 Gen 1, but also works with USB (Universal Serial Bus) 3.0 & USB (Universal Serial Bus) 2.0 devices. Super Speed USB (Universal Serial Bus) (USB 3.1 Gen 1).