Flash Memory card reader USB 3.0 interface for SDHC (UHS-I), SDXC (UHS-I), MicroSDHC, M2, MS (MSXC), CF (UDMA6/UDMA7) - no external power or battery needed and plugs directly into USB port 67.6mm (L) 45mm (W) 15.2mm (H) includes 1 CF, 1 SDHC/SDXC Slot, 1 M2/microSD, 1 MS PRO/XC/MS DUO Slot