The Ugreen CM803 reader is equipped with two connectors - USB-A (USB Type-A, the traditional rectangular USB connector standard) and USB-C (USB Type-C, the modern reversible USB connector standard), making it compatible with a wide variety of devices such as computers and smartphones. It supports SD (Secure Digital, a memory card standard) and TF (TransFlash, the original name for microSD cards - micro Secure Digital) cards up to 2TB, achieving transfer speeds of up to 312 MB/s. Its compact design, plug & play function and the ability to read two media simultaneously make it the perfect tool for professional photography and daily data management.