Combo 3 Port Super Speed USB 3.0 Hub with Memory Card Reader for Mac, iMac, MacBook Pro, Macbook Air, Laptop, PC and more Classic combo with 3 port USB 3.0 Hub and memory card reader With 3 Port USB 3.0 with super speed up to 5 Gbps, Compatible with USB 2.0 and 1.1 USB 3.0 Hub adds 3 additional USB ports to your Mac (or PC), allowing you to connect USB devices such as digital cameras, phones, flash drives, and printers It does not require any software or complicated installation process Card reader supports, SD/SDHC/SDXC, MS/MS Duo, M2, Micro SD/T-Flash