[ULTRA-FAST ACCESS] The portable 2-in-1 QUUGE USB C Micro SD card reader supports SD 4.0 and UHS-II at speeds up to 312MB/s, which allows you to transfer an HD movie or file in seconds. Downward compatible with SD 2.0, SD 3.0 (UHS-I). Perfectly compatible with SD/TF cards from SanDisk, Samsung, Lexar, Kingston, canon, Sony and other brands. [SPACE DESIGN & POWER PROTECTION] Compared to other traditional compact card readers, this QUGE 4.0 memory card reader with a delayed cable is ready to connect anywhere and does not interfere with other USB ports. In addition, it offers over-current, overvoltage, short-circuit and overheat protection, ensuring that any safety risks are eliminated and your device is protected. [TF/SD CARD READS SIMULTANEOUSLY] The QUUGE usb c to 4.0 SD card reader supports reading and writing two cards at the same time, hot swap. You can easily view files from UHS-I SD, SDHC, SDXC, MICRO SD, MICRO SDHC, MICRO SDXC, MMC RS-MMC cards or backup and archive photos and videos. It also supports UHS-i cards and is backward compatible with older SD card versions [PLUG & PLAY] No exact applications, drivers or power required. This SD 4.0 Card Reader USB C is widely compatible with Windows 11/10/8.1/8/7/XP/Vista, Mac OS, Linux, Android, Chrome OS, etc. (Note: when using in Android, please make sure your device has OTG function) [UNIVERSAL COMPATIBILITY] QUUGE 2-in-1 Micro UHS-II Card Reader USB C is widely compatible with MacBook Pro M1/2016-2022, iMac, iMac Pro, XPS 13/15, Mac Mini 2018 post, iPad Mini 6 2021, iPad Pro 2021/2020/2018, iPad Air 2020, Microsoft Surface Book 2, Surface Go, Surface Studio 2, Surface Pro 7, Samsung Galaxy S21 Ultra/S20/S10/Note 20/Note 10, Moto G8/G7, OnePlus 8/ 8 Pro/ 7T/7T Pro and camera devices. (Compatible with Mac OS/ Windows/ Android OS) USB SD 4.0 Card Reader which can support most devices with USB A, USB C, and thunderbolt 3 , thunderbolt 4 ports. So you can use it on different devices like PCs, Laptops, Tablets, or Smartphones. Say goodbye to the trouble of using multiple card readers.