For 21 Kinds USB Memory Card Reader Mini SDHC, M2, MMC, XD, CF Read & Write
Item Type: Card Reader. Support USB 2.0 full speed specification and USB device class. USB interface. Plug - and - play, support hot-swap. Products Feature. Material: Plastic. Size: 40×68×12mm/1.57×2.68×0.47in (Approx.).