Accelerates your workflow by 400% when used with the Lexar PLAY PRO microSDXC Express Card Built with highly durable materials, a status indicator LED and an internal fan to dissipate heat Backwards-compatible with microSD UHS-I and UHS-II (at UHS-I speeds) Includes a durable, braided USB-C cable and USB-C to USB-A adapter for wide compatibility Plug-and-play on Windows and Mac operating systems