[SuperSpeed]UtechSmart USB 3.0 Superspeed Multi-in-1 4-Slots Memory Card Reader with a 6.71inch USB Cord for UHS-I SD,SDXC, SDHC, SD, CF, High-Speed CF (UDMA), MS, M2, Micro SDXC, Micro SDHC, Micro SD Cards Fresh square-form design; Integrated 14mm USB 3.0 cable. Plug and play; Hot swapping; USB bus powered (no external power or battery needed); Backward compatible with USB 2.0 / 1.1. Supports SDXC (up to 2TB), SDHC, SD, CF, High-Speed CF(UDMA), MS, M2, Micro SDXC, Micro SDHC, Micro SD cards. Led indicator : green and red indicating USB 3.0 and USB 2.0 transfer modes respectively. Compatibility: Windows 2000 / ME/ XP / Vista / 7 / 8 (32bit/ 64bit ) and MAC OS 10.X or later version.