V.TOP USB 3.0 External Flash Multi Media Memory Card Reader - USB 3 Card Reader - Portable External Mini Card Reader - SDHC MicroSD OS Compatibility - OS independent; No software or drivers required. Power indicator LED | Compact design and lightweight plastic construction Supports SD (SD, SDHC, SDXC) and MicroSD (MicroSD, MicroSDHC, MicroSDXC). Powered directly from the USB port | No driver or software installation required. SuperSpeed USB 3.0 host interface standard, which supports transfer rates up to 5 Gbps, backward compatible with USB 2.0 computer systems.