V.one All-in-One Aluminum 4 Slots USB 2.0 Memory Card Reader Adapter Support D/SDHC, MMC/RS MMC, TF/MicroSD, MS/MS PRO/MS DUO, M2 Cards (Multiple Colors) 4 slots: TF Card Slot,SD Card Slot,MS Card Slot and M2 Card Slot.Can be repeatedly read and wipe Micro SD micro SDHC/TF Flash memory Cards, and no need adapter Easy to use: plug and play;Portable; Support hot insertion; USB power (no external power or battery);Supper speed USB 2.0 and backward compatible with USB1.1 This multi slot card reader supports: M2, MS/ MS PRO, MS Pro Duo, MS Duo, SD, MMC, SDHC, DV, Micro SD/TF Up to 480Mbps Accessibility Speed,LED Light indicates read and write status;Free lifetime technical support System supports: Windows 98 / 98SE / ME / 2000/XP / Vista / WIN7 / Mac OS X 9.0 and Linus2.4 later version