1,USB 2.0 SD Card Reader 2,Support SD/MMC/SDHC/TF/Micro SD 3,Working ... temperature: -20 to 65c SD Card Reader, Suitable for PCs, Notebooks and Palmtops Slimmest design, convenient for ... supports SD memory card reader and writerFor PCs, Notebooks, palmtops, PDAs with USB portReader and writer supports: secure digital card, MMC, mini SD ...