SuperSpeed USB 3.1 interface; backwards compatible with USB 2.0M emory Card Supported- SDHC (UHS-I) SDXC (UHS-I) microSD microSDHC (UHS-I) and microSDXC (UHS-I)LED card insertion and data transfer activity indicator. This card reader will work with UHS-II cards but only operates at UHS-I speedsIdeal for transferring high-resolution images and video recordingsSupports SD and security functions. Offers a free download of RecoveRx data recovery software. USB Powered