USB v2.0 all-in-one card reader + SIM. Reads SIM/uSIM cards under Windows. USB cable integrated with storage compartment. Support MS Pro/MS Duo/MS Pro Duo/SDHC/SD/Mini SD/MMC/MMC 4/RS MMC. M2/Micro SD,T-Flash without adapter, Compact Flash I/II, SIM/uSIM 3G, X-card. Fast data transfer (up to 480 Mbps). Powered by USB port (no external AC adapter required). Support Windows ME, 2000, XP 32/64-bit/ Vista 32/64-bit, Windows 7 32/64-bit