Engineered to deliver super fast data transfer speeds, the Simplecom CR301 USB 3.0 card reader features a SuperSpeed USB 3.0 interface and support for next-generation Ultra High Speed SDHC/SDXC and microSDHC/SDXC cards. Capable of being plugged directly into the USB port on any desktop or notebook computer, the compact CR301 offers effortless file sharing in any situation. Features SuperSpeed USB 3.0 interface; backwards compatible with USB 2.0 Supported Cards: SD / SDHC / SDXC / microSD / microSDHC / microSDXC LED activity indicator Ideal for transferring high-resolution images and video recordings USB Powered Plug and Play, no software required Support Windows and Mac