MICRODIA FlashMover All-in-One USB2.0 Card Reader (Black) Read/Write SDHC/SD/MMC, with SDA v2.0 specification High Speed USB2.0, 40 times faster (up to 480Mbps) than USB1.1 standard No Adapter Needed, for microSD/miniSD/T-Flash/M2 Hot-Swapping, with built-in power-controller and quality chipset, plug in & out without restarting t PC & MAC Compatible, fully compatible with most PC & MAC computers