To accelerate your workflow, the Lexar Professional USB-C Dual-Slot Reader works with SD and microSD UHS-II cards and offers creatives fast transfer speeds of up to 312 MB/s when reading. For added convenience, it is backward compatible with UHS-I cards and features a USB-C connection for use with USB-C computers. For photographers and videographers, the Lexar Professional USB-C Dual-Slot Reader is small and compact for on-the-go use, allowing you to easily slip it into your bag and get started.