Foto&Tech Silver Aluminum Super Speed USB 3.0/USB 2.0 Multi in 1 Card Reader for CF/TF/Micro SD/SD/MD/MMC/SDHC/SDXC for Macbook Pro Mac All Laptop PC Durable aluminum body, resists stain and soiling, protects overheat Fast Data/Files Access and Transfer Rate Super-Speed (5Gps) / High-Speed (480Mbps) / Full-Speed (12 Mbps) Truly Plug & Play and Hot swapping capability,USB-powered (no external power or battery needed); Backward compatible with USB 2.0 / 1.1 Compatibility: Windows XP/Vista/7/8 Mac OS etc, no software required Small and light weight, more easily for information exchange