... SD, MS, MMC,M2, TF 3,3 ports hub 4,Combo usb usb hub combo card reader for SamsungFeature:Combo usb ... Features1.Brand new Connection Kit USB2.0 3-Port Hub and SD Card Reader for SAMSUNG Series 2.Portable ... reading rate. 2.Two High-Speed Ports of USB HUB for all USB Device connecting to computer. 3.USB ... Working at the same time.USB2.0 3-Port Hub and SD Card Reader for Samsung galaxy tab Series ...