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Simultaneously Reading&Writing TF&SD cards: This USB C SD card reader Supports reading and writing two cards simultaneously. You can easily review files or back up and archive photos and videos in UHS-I SD, SDHC, SDXC, MICRO SD, MICRO SDHC, MICRO SDXC, MMC RS-MMC cards. No need to constantly unplug and re-plugging. (Note: This SD card adapter supports UHS-II SD/TF cards, but the speed will be UHS-I) 5Gbps High-speed: UGREEN USB C memory card reader support data transfer up to 5Gbps and 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. Plug and Play: 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. Designed with a piece of braided nylon cable so it won't block your other ports, easy access to neighboring ports.（Note: Please make sure your device has OTG function when used in Android) Lightweight Aluminum Design: Compare with others, This aluminum Design micro SD card reader has excellent heat dissipation and provides Stable bidirectional transmission for long service life. It also provides over-current, over-voltage, short-circuit, and over-temperature protection to ensure eliminate any security risk, protect your devices. Universal Compatibility: UGREEN USB C SD card reader is widely compatible with MacBook Pro M1/2016-2020, iMac, iMac Pro, XPS 13/15, Mac Mini after 2018, iPad Mini 6 2021, iPad Pro 2020/2018, iPad Air 2020, Microsoft Surface Book 2, Surface Go, Surface Studio 2, Surface Pro 7, Samsung Galaxy S20/S10/Note 20/Note 10, Moto G8/G7, OnePlus 8/ 8 Pro/ 7T/ 7T Pro and more USB-C devices. (Only supports FAT32/EXFAT cards on phones and tablets, NTFS is not supported)