SD 4.0 312MB/s High Speed: UGREEN USB C SD Card Reader supports the latest SD 4.0 UHS-II memory cards and can transfer data such as 4K movies, photos, and video Vlogs at high speeds of up to 312MB/s. Three times faster than ordinary USH-I card readers | SD/TF 2-in-1 Card Reader: The SD Card Reader USB C is equipped with a USH-II SD slot and a USH-II TF slot. You can easily read USH-II SD, SDHC, SDXC, Micro SD, Micro SDHC, Micro SDXC, MMC RS-MMC cards, etc with it | Read&Write 2 Cards Simultaneously: This USB C Micro SD Card Reader supports sync, transfer and copy files between the two cards swiftly. No need to repeatedly plug and unplug | Plug and Play: The SD 4.0 Memory Card Reader is driver free for most laptops, tablets, iPhone 16 15 Pro/Pro Max and smartphones with Windows, macOS, Chrome OS, Linux, iPad OS, and Android. You only need to plug in the card reader and memory cards, and easily share your life with friends. Note: Android phones need to support OTG function to use | Built to Last: The Micro SD 4.0 Card reader is designed with a sturdy Aluminum alloy case and a braided cable. Compared with ordinary card readers with plastic cases, it has a more refined appearance and much better durability