The USB C card adapter supports data transfer up to 5Gbps and the memory card capacity up to 2TB, 10X faster than USB 2.0 (480Mbps), which allows you to transfer an HD movie or files in seconds. Simultaneously read and write on 2 external memory cards (SD/Micro SD) to save the constant plugging and pulling of plugs, Support UHS-I SD, SDHC, SDXC, Micro SD, Micro SDHC, Micro SDXC, and MMC RS-MMC cards. Note: This SD card adapter supports UHS-II SD/TF cards, but the speed will be UHS-I. No exact App, driver, and power required. This micro sd card adapter is widely compatible with Windows 11/10/8.1/8/7/XP/Vista, Mac OS, Linux, Android, Chrome OS, etc. Note: Please make sure your device has OTG function when used in Android. The Aluminum design micro SD card reader has excellent heat dissipation and provides stable bidirectional transmission for long life. It also provides over-current, over-voltage, short-circuit, and over-temperature protection. UGREEN USB C SD card reader is widely compatible with MacBook Pro 1, iMac, iMac Pro, XPS 13/15, iPad, iPad Pro, iPad Air, Microsoft Surface serial, Galaxy, Moto G8/G7, and more USB-C devices. ONLY supports FAT32/EXFAT cards on phones and tablets, NTFS is NOT supported.