ORICO CTU32 Pocket USB 3.0 Flash Memory Card Reader for SDXC, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC Card - Black Superspeed USB3.0 enabled offer transfer rates up To 5Gbps , backward compatable with USB2.0. Supports SDXC, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC Card No drivers required for Windows 2000, XP, 7, 8, Vista, Mac OS and Linux Easy to take. Key chain design make your data safety. Fully powered via your USB port - no additional power supply required.