Provided USB3.0 interface compatible with prior ubiquitous USB2.0 standard. Stand-alone/ palm size/ super speed/ high-speed/full-speed/ adapter-less media storage card reader. Supported SDXC/SD 3.0 UHS-1; CF UDMA6; MSXC; xD; Micro-SD/M2. SDXC's extended capacity up to 2 TB. Five slots can accept up to 30 types of media card. Hot swappable and Plug & Play capability. Worked on Bus-powered, no external power supply required. Flexibility, slim, compact and simple to use.