Style: 2-in-1 USB 3.1 ReaderThe Multi-Card 2-in-1 USB 3.1 Reader works with SD and microSD cards, while leveraging USB 3.0 technology to deliver high-speed file transfers from card to computer. With speeds of up to 312MB/s (reads up to 5 times faster than USB 2.0 ), you can significantly improve your workflow and maximize your bandwidth. This 2-in-1 card reader also supports SD and microSD, SD UHS-I and UHS-II memory cards. This makes the reader an excellent choice for quick multi-card photo and video transfers.